Home / 86,032.88-129,098.40-33,435.52

Finding the Fourth Proportional to 86,032.88, 129,098.40 and 33,435.52

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Solution

The fourth proportional to 86,032.88, 129,098.40 and 33,435.52 is: 50,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,032.88 : 129,098.40 = 33,435.52 : x
  2. Step 2: Convert to fraction form
    86,032.88/129,098.40 = 33,435.52/x
  3. Step 3: Cross multiply
    86,032.88x = 129,098.40 × 33,435.52
  4. Step 4: Simplify right side
    86,032.88x = 4,316,472,135.17
  5. Step 5: Solve for x
    x = 4,316,472,135.17/86,032.88
  6. Step 6: Final answer
    x = 50,172.35

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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.