Home / 81,476.72-112,437.52-45,666.74

Finding the Fourth Proportional to 81,476.72, 112,437.52 and 45,666.74

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Solution

The fourth proportional to 81,476.72, 112,437.52 and 45,666.74 is: 63,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,476.72 : 112,437.52 = 45,666.74 : x
  2. Step 2: Convert to fraction form
    81,476.72/112,437.52 = 45,666.74/x
  3. Step 3: Cross multiply
    81,476.72x = 112,437.52 × 45,666.74
  4. Step 4: Simplify right side
    81,476.72x = 5,134,654,783.43
  5. Step 5: Solve for x
    x = 5,134,654,783.43/81,476.72
  6. Step 6: Final answer
    x = 63,019.90

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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.