Home / 91,480.17-126,256.95-57,493.29

Finding the Fourth Proportional to 91,480.17, 126,256.95 and 57,493.29

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Solution

The fourth proportional to 91,480.17, 126,256.95 and 57,493.29 is: 79,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,480.17 : 126,256.95 = 57,493.29 : x
  2. Step 2: Convert to fraction form
    91,480.17/126,256.95 = 57,493.29/x
  3. Step 3: Cross multiply
    91,480.17x = 126,256.95 × 57,493.29
  4. Step 4: Simplify right side
    91,480.17x = 7,258,927,440.87
  5. Step 5: Solve for x
    x = 7,258,927,440.87/91,480.17
  6. Step 6: Final answer
    x = 79,349.74

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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.