Home / 88,637.10-122,314.70-48,350.54

Finding the Fourth Proportional to 88,637.10, 122,314.70 and 48,350.54

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Solution

The fourth proportional to 88,637.10, 122,314.70 and 48,350.54 is: 66,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,637.10 : 122,314.70 = 48,350.54 : x
  2. Step 2: Convert to fraction form
    88,637.10/122,314.70 = 48,350.54/x
  3. Step 3: Cross multiply
    88,637.10x = 122,314.70 × 48,350.54
  4. Step 4: Simplify right side
    88,637.10x = 5,913,980,941.61
  5. Step 5: Solve for x
    x = 5,913,980,941.61/88,637.10
  6. Step 6: Final answer
    x = 66,721.28

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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.