Home / 47,572.55-65,587.88-40,929.53

Finding the Fourth Proportional to 47,572.55, 65,587.88 and 40,929.53

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Solution

The fourth proportional to 47,572.55, 65,587.88 and 40,929.53 is: 56,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,572.55 : 65,587.88 = 40,929.53 : x
  2. Step 2: Convert to fraction form
    47,572.55/65,587.88 = 40,929.53/x
  3. Step 3: Cross multiply
    47,572.55x = 65,587.88 × 40,929.53
  4. Step 4: Simplify right side
    47,572.55x = 2,684,480,897.45
  5. Step 5: Solve for x
    x = 2,684,480,897.45/47,572.55
  6. Step 6: Final answer
    x = 56,429.21

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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.