Home / 86,881.52-130,333.01-30,710.04

Finding the Fourth Proportional to 86,881.52, 130,333.01 and 30,710.04

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Solution

The fourth proportional to 86,881.52, 130,333.01 and 30,710.04 is: 46,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,881.52 : 130,333.01 = 30,710.04 : x
  2. Step 2: Convert to fraction form
    86,881.52/130,333.01 = 30,710.04/x
  3. Step 3: Cross multiply
    86,881.52x = 130,333.01 × 30,710.04
  4. Step 4: Simplify right side
    86,881.52x = 4,002,531,796.87
  5. Step 5: Solve for x
    x = 4,002,531,796.87/86,881.52
  6. Step 6: Final answer
    x = 46,068.85

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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.