Home / 88,633.90-122,359.95-68,445.46

Finding the Fourth Proportional to 88,633.90, 122,359.95 and 68,445.46

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Solution

The fourth proportional to 88,633.90, 122,359.95 and 68,445.46 is: 94,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,633.90 : 122,359.95 = 68,445.46 : x
  2. Step 2: Convert to fraction form
    88,633.90/122,359.95 = 68,445.46/x
  3. Step 3: Cross multiply
    88,633.90x = 122,359.95 × 68,445.46
  4. Step 4: Simplify right side
    88,633.90x = 8,374,983,216.28
  5. Step 5: Solve for x
    x = 8,374,983,216.28/88,633.90
  6. Step 6: Final answer
    x = 94,489.62

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1.5x scale

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.