Home / 77,256.40-115,862.28-35,113

Finding the Fourth Proportional to 77,256.40, 115,862.28 and 35,113

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Solution

The fourth proportional to 77,256.40, 115,862.28 and 35,113 is: 52,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,256.40 : 115,862.28 = 35,113 : x
  2. Step 2: Convert to fraction form
    77,256.40/115,862.28 = 35,113/x
  3. Step 3: Cross multiply
    77,256.40x = 115,862.28 × 35,113
  4. Step 4: Simplify right side
    77,256.40x = 4,068,272,237.64
  5. Step 5: Solve for x
    x = 4,068,272,237.64/77,256.40
  6. Step 6: Final answer
    x = 52,659.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.