Home / 96,678.76-133,417.64-54,238.20

Finding the Fourth Proportional to 96,678.76, 133,417.64 and 54,238.20

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Solution

The fourth proportional to 96,678.76, 133,417.64 and 54,238.20 is: 74,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,678.76 : 133,417.64 = 54,238.20 : x
  2. Step 2: Convert to fraction form
    96,678.76/133,417.64 = 54,238.20/x
  3. Step 3: Cross multiply
    96,678.76x = 133,417.64 × 54,238.20
  4. Step 4: Simplify right side
    96,678.76x = 7,236,332,641.85
  5. Step 5: Solve for x
    x = 7,236,332,641.85/96,678.76
  6. Step 6: Final answer
    x = 74,849.25

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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.