Home / 88,171.16-121,678.22-52,361.29

Finding the Fourth Proportional to 88,171.16, 121,678.22 and 52,361.29

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Solution

The fourth proportional to 88,171.16, 121,678.22 and 52,361.29 is: 72,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,171.16 : 121,678.22 = 52,361.29 : x
  2. Step 2: Convert to fraction form
    88,171.16/121,678.22 = 52,361.29/x
  3. Step 3: Cross multiply
    88,171.16x = 121,678.22 × 52,361.29
  4. Step 4: Simplify right side
    88,171.16x = 6,371,227,693.91
  5. Step 5: Solve for x
    x = 6,371,227,693.91/88,171.16
  6. Step 6: Final answer
    x = 72,259.77

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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.