Home / 77,976.38-116,979.02-24,681.76

Finding the Fourth Proportional to 77,976.38, 116,979.02 and 24,681.76

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Solution

The fourth proportional to 77,976.38, 116,979.02 and 24,681.76 is: 37,027.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,976.38 : 116,979.02 = 24,681.76 : x
  2. Step 2: Convert to fraction form
    77,976.38/116,979.02 = 24,681.76/x
  3. Step 3: Cross multiply
    77,976.38x = 116,979.02 × 24,681.76
  4. Step 4: Simplify right side
    77,976.38x = 2,887,248,096.68
  5. Step 5: Solve for x
    x = 2,887,248,096.68/77,976.38
  6. Step 6: Final answer
    x = 37,027.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.