Home / 96,789.60-133,565.52-56,505.60

Finding the Fourth Proportional to 96,789.60, 133,565.52 and 56,505.60

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Solution

The fourth proportional to 96,789.60, 133,565.52 and 56,505.60 is: 77,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,789.60 : 133,565.52 = 56,505.60 : x
  2. Step 2: Convert to fraction form
    96,789.60/133,565.52 = 56,505.60/x
  3. Step 3: Cross multiply
    96,789.60x = 133,565.52 × 56,505.60
  4. Step 4: Simplify right side
    96,789.60x = 7,547,199,846.91
  5. Step 5: Solve for x
    x = 7,547,199,846.91/96,789.60
  6. Step 6: Final answer
    x = 77,975.32

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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.