Home / 101,500.08-140,069.88-59,061.12

Finding the Fourth Proportional to 101,500.08, 140,069.88 and 59,061.12

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Solution

The fourth proportional to 101,500.08, 140,069.88 and 59,061.12 is: 81,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,500.08 : 140,069.88 = 59,061.12 : x
  2. Step 2: Convert to fraction form
    101,500.08/140,069.88 = 59,061.12/x
  3. Step 3: Cross multiply
    101,500.08x = 140,069.88 × 59,061.12
  4. Step 4: Simplify right side
    101,500.08x = 8,272,683,991.07
  5. Step 5: Solve for x
    x = 8,272,683,991.07/101,500.08
  6. Step 6: Final answer
    x = 81,504.21

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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.