Home / 108,349.20-149,521.04-60,602.51

Finding the Fourth Proportional to 108,349.20, 149,521.04 and 60,602.51

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Solution

The fourth proportional to 108,349.20, 149,521.04 and 60,602.51 is: 83,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,349.20 : 149,521.04 = 60,602.51 : x
  2. Step 2: Convert to fraction form
    108,349.20/149,521.04 = 60,602.51/x
  3. Step 3: Cross multiply
    108,349.20x = 149,521.04 × 60,602.51
  4. Step 4: Simplify right side
    108,349.20x = 9,061,350,619.86
  5. Step 5: Solve for x
    x = 9,061,350,619.86/108,349.20
  6. Step 6: Final answer
    x = 83,630.99

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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.