Home / 77,412.60-106,839.28-45,584.46

Finding the Fourth Proportional to 77,412.60, 106,839.28 and 45,584.46

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Solution

The fourth proportional to 77,412.60, 106,839.28 and 45,584.46 is: 62,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,412.60 : 106,839.28 = 45,584.46 : x
  2. Step 2: Convert to fraction form
    77,412.60/106,839.28 = 45,584.46/x
  3. Step 3: Cross multiply
    77,412.60x = 106,839.28 × 45,584.46
  4. Step 4: Simplify right side
    77,412.60x = 4,870,210,885.59
  5. Step 5: Solve for x
    x = 4,870,210,885.59/77,412.60
  6. Step 6: Final answer
    x = 62,912.38

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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.