Home / 101,743.06-140,421.82-59,293.40

Finding the Fourth Proportional to 101,743.06, 140,421.82 and 59,293.40

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Solution

The fourth proportional to 101,743.06, 140,421.82 and 59,293.40 is: 81,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,743.06 : 140,421.82 = 59,293.40 : x
  2. Step 2: Convert to fraction form
    101,743.06/140,421.82 = 59,293.40/x
  3. Step 3: Cross multiply
    101,743.06x = 140,421.82 × 59,293.40
  4. Step 4: Simplify right side
    101,743.06x = 8,326,087,141.99
  5. Step 5: Solve for x
    x = 8,326,087,141.99/101,743.06
  6. Step 6: Final answer
    x = 81,834.45

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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.