Home / 60,368.10-90,552.12-20,925.18

Finding the Fourth Proportional to 60,368.10, 90,552.12 and 20,925.18

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Solution

The fourth proportional to 60,368.10, 90,552.12 and 20,925.18 is: 31,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,368.10 : 90,552.12 = 20,925.18 : x
  2. Step 2: Convert to fraction form
    60,368.10/90,552.12 = 20,925.18/x
  3. Step 3: Cross multiply
    60,368.10x = 90,552.12 × 20,925.18
  4. Step 4: Simplify right side
    60,368.10x = 1,894,819,410.38
  5. Step 5: Solve for x
    x = 1,894,819,410.38/60,368.10
  6. Step 6: Final answer
    x = 31,387.76

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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.