Home / 81,537.75-112,522.30-47,569.59

Finding the Fourth Proportional to 81,537.75, 112,522.30 and 47,569.59

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Solution

The fourth proportional to 81,537.75, 112,522.30 and 47,569.59 is: 65,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,537.75 : 112,522.30 = 47,569.59 : x
  2. Step 2: Convert to fraction form
    81,537.75/112,522.30 = 47,569.59/x
  3. Step 3: Cross multiply
    81,537.75x = 112,522.30 × 47,569.59
  4. Step 4: Simplify right side
    81,537.75x = 5,352,639,557.93
  5. Step 5: Solve for x
    x = 5,352,639,557.93/81,537.75
  6. Step 6: Final answer
    x = 65,646.15

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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.