Home / 109,466.46-151,061.58-61,718.88

Finding the Fourth Proportional to 109,466.46, 151,061.58 and 61,718.88

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Solution

The fourth proportional to 109,466.46, 151,061.58 and 61,718.88 is: 85,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,466.46 : 151,061.58 = 61,718.88 : x
  2. Step 2: Convert to fraction form
    109,466.46/151,061.58 = 61,718.88/x
  3. Step 3: Cross multiply
    109,466.46x = 151,061.58 × 61,718.88
  4. Step 4: Simplify right side
    109,466.46x = 9,323,351,528.63
  5. Step 5: Solve for x
    x = 9,323,351,528.63/109,466.46
  6. Step 6: Final answer
    x = 85,170.85

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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.