Home / 91,185.04-125,856.32-53,471.44

Finding the Fourth Proportional to 91,185.04, 125,856.32 and 53,471.44

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Solution

The fourth proportional to 91,185.04, 125,856.32 and 53,471.44 is: 73,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,185.04 : 125,856.32 = 53,471.44 : x
  2. Step 2: Convert to fraction form
    91,185.04/125,856.32 = 53,471.44/x
  3. Step 3: Cross multiply
    91,185.04x = 125,856.32 × 53,471.44
  4. Step 4: Simplify right side
    91,185.04x = 6,729,718,663.50
  5. Step 5: Solve for x
    x = 6,729,718,663.50/91,185.04
  6. Step 6: Final answer
    x = 73,802.88

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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.