Home / 86,952.48-130,376.24-47,454.72

Finding the Fourth Proportional to 86,952.48, 130,376.24 and 47,454.72

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Solution

The fourth proportional to 86,952.48, 130,376.24 and 47,454.72 is: 71,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,952.48 : 130,376.24 = 47,454.72 : x
  2. Step 2: Convert to fraction form
    86,952.48/130,376.24 = 47,454.72/x
  3. Step 3: Cross multiply
    86,952.48x = 130,376.24 × 47,454.72
  4. Step 4: Simplify right side
    86,952.48x = 6,186,967,963.85
  5. Step 5: Solve for x
    x = 6,186,967,963.85/86,952.48
  6. Step 6: Final answer
    x = 71,153.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.