Home / 86,569.76-129,868.31-36,650.17

Finding the Fourth Proportional to 86,569.76, 129,868.31 and 36,650.17

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Solution

The fourth proportional to 86,569.76, 129,868.31 and 36,650.17 is: 54,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,569.76 : 129,868.31 = 36,650.17 : x
  2. Step 2: Convert to fraction form
    86,569.76/129,868.31 = 36,650.17/x
  3. Step 3: Cross multiply
    86,569.76x = 129,868.31 × 36,650.17
  4. Step 4: Simplify right side
    86,569.76x = 4,759,695,893.07
  5. Step 5: Solve for x
    x = 4,759,695,893.07/86,569.76
  6. Step 6: Final answer
    x = 54,981.04

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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.