Home / 96,779.34-133,553.52-54,337.86

Finding the Fourth Proportional to 96,779.34, 133,553.52 and 54,337.86

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Solution

The fourth proportional to 96,779.34, 133,553.52 and 54,337.86 is: 74,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,779.34 : 133,553.52 = 54,337.86 : x
  2. Step 2: Convert to fraction form
    96,779.34/133,553.52 = 54,337.86/x
  3. Step 3: Cross multiply
    96,779.34x = 133,553.52 × 54,337.86
  4. Step 4: Simplify right side
    96,779.34x = 7,257,012,472.27
  5. Step 5: Solve for x
    x = 7,257,012,472.27/96,779.34
  6. Step 6: Final answer
    x = 74,985.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.