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Finding the Fourth Proportional to 101,478.93, 140,069.06 and 59,045.65

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Solution

The fourth proportional to 101,478.93, 140,069.06 and 59,045.65 is: 81,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,478.93 : 140,069.06 = 59,045.65 : x
  2. Step 2: Convert to fraction form
    101,478.93/140,069.06 = 59,045.65/x
  3. Step 3: Cross multiply
    101,478.93x = 140,069.06 × 59,045.65
  4. Step 4: Simplify right side
    101,478.93x = 8,270,468,692.59
  5. Step 5: Solve for x
    x = 8,270,468,692.59/101,478.93
  6. Step 6: Final answer
    x = 81,499.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.