Home / 89,685.98-134,535.13-29,714.34

Finding the Fourth Proportional to 89,685.98, 134,535.13 and 29,714.34

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Solution

The fourth proportional to 89,685.98, 134,535.13 and 29,714.34 is: 44,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,685.98 : 134,535.13 = 29,714.34 : x
  2. Step 2: Convert to fraction form
    89,685.98/134,535.13 = 29,714.34/x
  3. Step 3: Cross multiply
    89,685.98x = 134,535.13 × 29,714.34
  4. Step 4: Simplify right side
    89,685.98x = 3,997,623,024.99
  5. Step 5: Solve for x
    x = 3,997,623,024.99/89,685.98
  6. Step 6: Final answer
    x = 44,573.55

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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.