Home / 91,427.68-126,248.07-57,492.96

Finding the Fourth Proportional to 91,427.68, 126,248.07 and 57,492.96

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Solution

The fourth proportional to 91,427.68, 126,248.07 and 57,492.96 is: 79,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,427.68 : 126,248.07 = 57,492.96 : x
  2. Step 2: Convert to fraction form
    91,427.68/126,248.07 = 57,492.96/x
  3. Step 3: Cross multiply
    91,427.68x = 126,248.07 × 57,492.96
  4. Step 4: Simplify right side
    91,427.68x = 7,258,375,238.59
  5. Step 5: Solve for x
    x = 7,258,375,238.59/91,427.68
  6. Step 6: Final answer
    x = 79,389.25

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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.