Home / 91,115.04-125,695.89-59,272.32

Finding the Fourth Proportional to 91,115.04, 125,695.89 and 59,272.32

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Solution

The fourth proportional to 91,115.04, 125,695.89 and 59,272.32 is: 81,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,115.04 : 125,695.89 = 59,272.32 : x
  2. Step 2: Convert to fraction form
    91,115.04/125,695.89 = 59,272.32/x
  3. Step 3: Cross multiply
    91,115.04x = 125,695.89 × 59,272.32
  4. Step 4: Simplify right side
    91,115.04x = 7,450,287,014.76
  5. Step 5: Solve for x
    x = 7,450,287,014.76/91,115.04
  6. Step 6: Final answer
    x = 81,767.92

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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.