Home / 86,104.08-129,152.61-29,957.04

Finding the Fourth Proportional to 86,104.08, 129,152.61 and 29,957.04

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Solution

The fourth proportional to 86,104.08, 129,152.61 and 29,957.04 is: 44,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,104.08 : 129,152.61 = 29,957.04 : x
  2. Step 2: Convert to fraction form
    86,104.08/129,152.61 = 29,957.04/x
  3. Step 3: Cross multiply
    86,104.08x = 129,152.61 × 29,957.04
  4. Step 4: Simplify right side
    86,104.08x = 3,869,029,903.87
  5. Step 5: Solve for x
    x = 3,869,029,903.87/86,104.08
  6. Step 6: Final answer
    x = 44,934.34

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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.