Home / 109,772.28-151,485.92-59,471.28

Finding the Fourth Proportional to 109,772.28, 151,485.92 and 59,471.28

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Solution

The fourth proportional to 109,772.28, 151,485.92 and 59,471.28 is: 82,070.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,772.28 : 151,485.92 = 59,471.28 : x
  2. Step 2: Convert to fraction form
    109,772.28/151,485.92 = 59,471.28/x
  3. Step 3: Cross multiply
    109,772.28x = 151,485.92 × 59,471.28
  4. Step 4: Simplify right side
    109,772.28x = 9,009,061,564.38
  5. Step 5: Solve for x
    x = 9,009,061,564.38/109,772.28
  6. Step 6: Final answer
    x = 82,070.46

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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.