Home / 88,818.24-122,569.92-56,987.76

Finding the Fourth Proportional to 88,818.24, 122,569.92 and 56,987.76

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Solution

The fourth proportional to 88,818.24, 122,569.92 and 56,987.76 is: 78,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,818.24 : 122,569.92 = 56,987.76 : x
  2. Step 2: Convert to fraction form
    88,818.24/122,569.92 = 56,987.76/x
  3. Step 3: Cross multiply
    88,818.24x = 122,569.92 × 56,987.76
  4. Step 4: Simplify right side
    88,818.24x = 6,984,985,184.18
  5. Step 5: Solve for x
    x = 6,984,985,184.18/88,818.24
  6. Step 6: Final answer
    x = 78,643.59

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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.