Home / 77,966.74-107,594.04-42,156.73

Finding the Fourth Proportional to 77,966.74, 107,594.04 and 42,156.73

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Solution

The fourth proportional to 77,966.74, 107,594.04 and 42,156.73 is: 58,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,966.74 : 107,594.04 = 42,156.73 : x
  2. Step 2: Convert to fraction form
    77,966.74/107,594.04 = 42,156.73/x
  3. Step 3: Cross multiply
    77,966.74x = 107,594.04 × 42,156.73
  4. Step 4: Simplify right side
    77,966.74x = 4,535,812,893.89
  5. Step 5: Solve for x
    x = 4,535,812,893.89/77,966.74
  6. Step 6: Final answer
    x = 58,176.25

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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.