Home / 94,445.30-141,339.90-86,572.10

Finding the Fourth Proportional to 94,445.30, 141,339.90 and 86,572.10

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Solution

The fourth proportional to 94,445.30, 141,339.90 and 86,572.10 is: 129,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,445.30 : 141,339.90 = 86,572.10 : x
  2. Step 2: Convert to fraction form
    94,445.30/141,339.90 = 86,572.10/x
  3. Step 3: Cross multiply
    94,445.30x = 141,339.90 × 86,572.10
  4. Step 4: Simplify right side
    94,445.30x = 12,236,091,956.79
  5. Step 5: Solve for x
    x = 12,236,091,956.79/94,445.30
  6. Step 6: Final answer
    x = 129,557.45

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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.