Home / 109,878.56-151,632.60-59,577.56

Finding the Fourth Proportional to 109,878.56, 151,632.60 and 59,577.56

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Solution

The fourth proportional to 109,878.56, 151,632.60 and 59,577.56 is: 82,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,878.56 : 151,632.60 = 59,577.56 : x
  2. Step 2: Convert to fraction form
    109,878.56/151,632.60 = 59,577.56/x
  3. Step 3: Cross multiply
    109,878.56x = 151,632.60 × 59,577.56
  4. Step 4: Simplify right side
    109,878.56x = 9,033,900,324.46
  5. Step 5: Solve for x
    x = 9,033,900,324.46/109,878.56
  6. Step 6: Final answer
    x = 82,217.13

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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.