Home / 86,734.73-130,006.45-56,736.52

Finding the Fourth Proportional to 86,734.73, 130,006.45 and 56,736.52

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Solution

The fourth proportional to 86,734.73, 130,006.45 and 56,736.52 is: 85,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,734.73 : 130,006.45 = 56,736.52 : x
  2. Step 2: Convert to fraction form
    86,734.73/130,006.45 = 56,736.52/x
  3. Step 3: Cross multiply
    86,734.73x = 130,006.45 × 56,736.52
  4. Step 4: Simplify right side
    86,734.73x = 7,376,113,296.46
  5. Step 5: Solve for x
    x = 7,376,113,296.46/86,734.73
  6. Step 6: Final answer
    x = 85,042.21

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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.