Home / 117,393.48-162,000.18-63,677.16

Finding the Fourth Proportional to 117,393.48, 162,000.18 and 63,677.16

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Solution

The fourth proportional to 117,393.48, 162,000.18 and 63,677.16 is: 87,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,393.48 : 162,000.18 = 63,677.16 : x
  2. Step 2: Convert to fraction form
    117,393.48/162,000.18 = 63,677.16/x
  3. Step 3: Cross multiply
    117,393.48x = 162,000.18 × 63,677.16
  4. Step 4: Simplify right side
    117,393.48x = 10,315,711,381.89
  5. Step 5: Solve for x
    x = 10,315,711,381.89/117,393.48
  6. Step 6: Final answer
    x = 87,872.95

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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.