Home / 88,304.10-121,862-48,020.28

Finding the Fourth Proportional to 88,304.10, 121,862 and 48,020.28

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Solution

The fourth proportional to 88,304.10, 121,862 and 48,020.28 is: 66,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,304.10 : 121,862 = 48,020.28 : x
  2. Step 2: Convert to fraction form
    88,304.10/121,862 = 48,020.28/x
  3. Step 3: Cross multiply
    88,304.10x = 121,862 × 48,020.28
  4. Step 4: Simplify right side
    88,304.10x = 5,851,847,361.36
  5. Step 5: Solve for x
    x = 5,851,847,361.36/88,304.10
  6. Step 6: Final answer
    x = 66,269.26

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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.