Home / 108,445.20-149,657.56-60,697.32

Finding the Fourth Proportional to 108,445.20, 149,657.56 and 60,697.32

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Solution

The fourth proportional to 108,445.20, 149,657.56 and 60,697.32 is: 83,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,445.20 : 149,657.56 = 60,697.32 : x
  2. Step 2: Convert to fraction form
    108,445.20/149,657.56 = 60,697.32/x
  3. Step 3: Cross multiply
    108,445.20x = 149,657.56 × 60,697.32
  4. Step 4: Simplify right side
    108,445.20x = 9,083,812,809.74
  5. Step 5: Solve for x
    x = 9,083,812,809.74/108,445.20
  6. Step 6: Final answer
    x = 83,764.08

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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.