Home / 94,472.62-130,381.42-70,557.78

Finding the Fourth Proportional to 94,472.62, 130,381.42 and 70,557.78

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Solution

The fourth proportional to 94,472.62, 130,381.42 and 70,557.78 is: 97,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,472.62 : 130,381.42 = 70,557.78 : x
  2. Step 2: Convert to fraction form
    94,472.62/130,381.42 = 70,557.78/x
  3. Step 3: Cross multiply
    94,472.62x = 130,381.42 × 70,557.78
  4. Step 4: Simplify right side
    94,472.62x = 9,199,423,548.45
  5. Step 5: Solve for x
    x = 9,199,423,548.45/94,472.62
  6. Step 6: Final answer
    x = 97,376.61

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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.