Home / 77,713.13-107,248.05-45,881.34

Finding the Fourth Proportional to 77,713.13, 107,248.05 and 45,881.34

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Solution

The fourth proportional to 77,713.13, 107,248.05 and 45,881.34 is: 63,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,713.13 : 107,248.05 = 45,881.34 : x
  2. Step 2: Convert to fraction form
    77,713.13/107,248.05 = 45,881.34/x
  3. Step 3: Cross multiply
    77,713.13x = 107,248.05 × 45,881.34
  4. Step 4: Simplify right side
    77,713.13x = 4,920,684,246.39
  5. Step 5: Solve for x
    x = 4,920,684,246.39/77,713.13
  6. Step 6: Final answer
    x = 63,318.57

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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.