Home / 88,731.18-122,447.24-48,445.27

Finding the Fourth Proportional to 88,731.18, 122,447.24 and 48,445.27

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Solution

The fourth proportional to 88,731.18, 122,447.24 and 48,445.27 is: 66,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731.18 : 122,447.24 = 48,445.27 : x
  2. Step 2: Convert to fraction form
    88,731.18/122,447.24 = 48,445.27/x
  3. Step 3: Cross multiply
    88,731.18x = 122,447.24 × 48,445.27
  4. Step 4: Simplify right side
    88,731.18x = 5,931,989,602.55
  5. Step 5: Solve for x
    x = 5,931,989,602.55/88,731.18
  6. Step 6: Final answer
    x = 66,853.50

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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.