Home / 96,789.46-133,546.08-56,480.21

Finding the Fourth Proportional to 96,789.46, 133,546.08 and 56,480.21

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Solution

The fourth proportional to 96,789.46, 133,546.08 and 56,480.21 is: 77,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,789.46 : 133,546.08 = 56,480.21 : x
  2. Step 2: Convert to fraction form
    96,789.46/133,546.08 = 56,480.21/x
  3. Step 3: Cross multiply
    96,789.46x = 133,546.08 × 56,480.21
  4. Step 4: Simplify right side
    96,789.46x = 7,542,710,643.08
  5. Step 5: Solve for x
    x = 7,542,710,643.08/96,789.46
  6. Step 6: Final answer
    x = 77,929.05

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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.