Home / 53,737.20-74,084.68-45,339.12

Finding the Fourth Proportional to 53,737.20, 74,084.68 and 45,339.12

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Solution

The fourth proportional to 53,737.20, 74,084.68 and 45,339.12 is: 62,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,737.20 : 74,084.68 = 45,339.12 : x
  2. Step 2: Convert to fraction form
    53,737.20/74,084.68 = 45,339.12/x
  3. Step 3: Cross multiply
    53,737.20x = 74,084.68 × 45,339.12
  4. Step 4: Simplify right side
    53,737.20x = 3,358,934,196.68
  5. Step 5: Solve for x
    x = 3,358,934,196.68/53,737.20
  6. Step 6: Final answer
    x = 62,506.68

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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.