Home / 91,112.04-125,691.75-59,269.32

Finding the Fourth Proportional to 91,112.04, 125,691.75 and 59,269.32

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Solution

The fourth proportional to 91,112.04, 125,691.75 and 59,269.32 is: 81,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,112.04 : 125,691.75 = 59,269.32 : x
  2. Step 2: Convert to fraction form
    91,112.04/125,691.75 = 59,269.32/x
  3. Step 3: Cross multiply
    91,112.04x = 125,691.75 × 59,269.32
  4. Step 4: Simplify right side
    91,112.04x = 7,449,664,552.11
  5. Step 5: Solve for x
    x = 7,449,664,552.11/91,112.04
  6. Step 6: Final answer
    x = 81,763.78

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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.