Home / 112,700.25-155,526.35-62,402.49

Finding the Fourth Proportional to 112,700.25, 155,526.35 and 62,402.49

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Solution

The fourth proportional to 112,700.25, 155,526.35 and 62,402.49 is: 86,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,700.25 : 155,526.35 = 62,402.49 : x
  2. Step 2: Convert to fraction form
    112,700.25/155,526.35 = 62,402.49/x
  3. Step 3: Cross multiply
    112,700.25x = 155,526.35 × 62,402.49
  4. Step 4: Simplify right side
    112,700.25x = 9,705,231,188.60
  5. Step 5: Solve for x
    x = 9,705,231,188.60/112,700.25
  6. Step 6: Final answer
    x = 86,115.44

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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.