Home / 77,660.10-107,207.05-58,547.65

Finding the Fourth Proportional to 77,660.10, 107,207.05 and 58,547.65

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Solution

The fourth proportional to 77,660.10, 107,207.05 and 58,547.65 is: 80,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,660.10 : 107,207.05 = 58,547.65 : x
  2. Step 2: Convert to fraction form
    77,660.10/107,207.05 = 58,547.65/x
  3. Step 3: Cross multiply
    77,660.10x = 107,207.05 × 58,547.65
  4. Step 4: Simplify right side
    77,660.10x = 6,276,720,304.90
  5. Step 5: Solve for x
    x = 6,276,720,304.90/77,660.10
  6. Step 6: Final answer
    x = 80,822.97

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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.