Home / 91,427.43-126,247.73-57,492.71

Finding the Fourth Proportional to 91,427.43, 126,247.73 and 57,492.71

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Solution

The fourth proportional to 91,427.43, 126,247.73 and 57,492.71 is: 79,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,427.43 : 126,247.73 = 57,492.71 : x
  2. Step 2: Convert to fraction form
    91,427.43/126,247.73 = 57,492.71/x
  3. Step 3: Cross multiply
    91,427.43x = 126,247.73 × 57,492.71
  4. Step 4: Simplify right side
    91,427.43x = 7,258,323,210.35
  5. Step 5: Solve for x
    x = 7,258,323,210.35/91,427.43
  6. Step 6: Final answer
    x = 79,388.90

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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.