Home / 109,444.32-151,056.66-69,132.44

Finding the Fourth Proportional to 109,444.32, 151,056.66 and 69,132.44

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Solution

The fourth proportional to 109,444.32, 151,056.66 and 69,132.44 is: 95,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,444.32 : 151,056.66 = 69,132.44 : x
  2. Step 2: Convert to fraction form
    109,444.32/151,056.66 = 69,132.44/x
  3. Step 3: Cross multiply
    109,444.32x = 151,056.66 × 69,132.44
  4. Step 4: Simplify right side
    109,444.32x = 10,442,914,728.77
  5. Step 5: Solve for x
    x = 10,442,914,728.77/109,444.32
  6. Step 6: Final answer
    x = 95,417.60

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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.