Home / 78,451.96-108,279.46-46,614.74

Finding the Fourth Proportional to 78,451.96, 108,279.46 and 46,614.74

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Solution

The fourth proportional to 78,451.96, 108,279.46 and 46,614.74 is: 64,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,451.96 : 108,279.46 = 46,614.74 : x
  2. Step 2: Convert to fraction form
    78,451.96/108,279.46 = 46,614.74/x
  3. Step 3: Cross multiply
    78,451.96x = 108,279.46 × 46,614.74
  4. Step 4: Simplify right side
    78,451.96x = 5,047,418,875.24
  5. Step 5: Solve for x
    x = 5,047,418,875.24/78,451.96
  6. Step 6: Final answer
    x = 64,337.70

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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.