Home / 61,781.29-92,671.93-53,436.52

Finding the Fourth Proportional to 61,781.29, 92,671.93 and 53,436.52

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Solution

The fourth proportional to 61,781.29, 92,671.93 and 53,436.52 is: 80,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,781.29 : 92,671.93 = 53,436.52 : x
  2. Step 2: Convert to fraction form
    61,781.29/92,671.93 = 53,436.52/x
  3. Step 3: Cross multiply
    61,781.29x = 92,671.93 × 53,436.52
  4. Step 4: Simplify right side
    61,781.29x = 4,952,065,102.24
  5. Step 5: Solve for x
    x = 4,952,065,102.24/61,781.29
  6. Step 6: Final answer
    x = 80,154.77

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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.