Home / 73,248.10-109,256.37-66,521.02

Finding the Fourth Proportional to 73,248.10, 109,256.37 and 66,521.02

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Solution

The fourth proportional to 73,248.10, 109,256.37 and 66,521.02 is: 99,222.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,248.10 : 109,256.37 = 66,521.02 : x
  2. Step 2: Convert to fraction form
    73,248.10/109,256.37 = 66,521.02/x
  3. Step 3: Cross multiply
    73,248.10x = 109,256.37 × 66,521.02
  4. Step 4: Simplify right side
    73,248.10x = 7,267,845,350.53
  5. Step 5: Solve for x
    x = 7,267,845,350.53/73,248.10
  6. Step 6: Final answer
    x = 99,222.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.