Home / 71,186.23-98,220.70-42,500.32

Finding the Fourth Proportional to 71,186.23, 98,220.70 and 42,500.32

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Solution

The fourth proportional to 71,186.23, 98,220.70 and 42,500.32 is: 58,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,186.23 : 98,220.70 = 42,500.32 : x
  2. Step 2: Convert to fraction form
    71,186.23/98,220.70 = 42,500.32/x
  3. Step 3: Cross multiply
    71,186.23x = 98,220.70 × 42,500.32
  4. Step 4: Simplify right side
    71,186.23x = 4,174,411,180.62
  5. Step 5: Solve for x
    x = 4,174,411,180.62/71,186.23
  6. Step 6: Final answer
    x = 58,640.71

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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.