Home / 109,871.28-151,621.56-59,569.92

Finding the Fourth Proportional to 109,871.28, 151,621.56 and 59,569.92

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Solution

The fourth proportional to 109,871.28, 151,621.56 and 59,569.92 is: 82,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,871.28 : 151,621.56 = 59,569.92 : x
  2. Step 2: Convert to fraction form
    109,871.28/151,621.56 = 59,569.92/x
  3. Step 3: Cross multiply
    109,871.28x = 151,621.56 × 59,569.92
  4. Step 4: Simplify right side
    109,871.28x = 9,032,084,199.48
  5. Step 5: Solve for x
    x = 9,032,084,199.48/109,871.28
  6. Step 6: Final answer
    x = 82,206.05

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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.