Home / 83,140.08-124,728.55-23,971.14

Finding the Fourth Proportional to 83,140.08, 124,728.55 and 23,971.14

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Solution

The fourth proportional to 83,140.08, 124,728.55 and 23,971.14 is: 35,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,140.08 : 124,728.55 = 23,971.14 : x
  2. Step 2: Convert to fraction form
    83,140.08/124,728.55 = 23,971.14/x
  3. Step 3: Cross multiply
    83,140.08x = 124,728.55 × 23,971.14
  4. Step 4: Simplify right side
    83,140.08x = 2,989,884,910.40
  5. Step 5: Solve for x
    x = 2,989,884,910.40/83,140.08
  6. Step 6: Final answer
    x = 35,962.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.