Home / 86,147.60-129,089.50-57,963.24

Finding the Fourth Proportional to 86,147.60, 129,089.50 and 57,963.24

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Solution

The fourth proportional to 86,147.60, 129,089.50 and 57,963.24 is: 86,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,147.60 : 129,089.50 = 57,963.24 : x
  2. Step 2: Convert to fraction form
    86,147.60/129,089.50 = 57,963.24/x
  3. Step 3: Cross multiply
    86,147.60x = 129,089.50 × 57,963.24
  4. Step 4: Simplify right side
    86,147.60x = 7,482,445,525.07
  5. Step 5: Solve for x
    x = 7,482,445,525.07/86,147.60
  6. Step 6: Final answer
    x = 86,856.12

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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.