Home / 109,848.56-151,590-61,449.92

Finding the Fourth Proportional to 109,848.56, 151,590 and 61,449.92

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Solution

The fourth proportional to 109,848.56, 151,590 and 61,449.92 is: 84,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,848.56 : 151,590 = 61,449.92 : x
  2. Step 2: Convert to fraction form
    109,848.56/151,590 = 61,449.92/x
  3. Step 3: Cross multiply
    109,848.56x = 151,590 × 61,449.92
  4. Step 4: Simplify right side
    109,848.56x = 9,315,193,372.80
  5. Step 5: Solve for x
    x = 9,315,193,372.80/109,848.56
  6. Step 6: Final answer
    x = 84,800.32

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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.