Home / 86,348.24-119,127.79-52,344.32

Finding the Fourth Proportional to 86,348.24, 119,127.79 and 52,344.32

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Solution

The fourth proportional to 86,348.24, 119,127.79 and 52,344.32 is: 72,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,348.24 : 119,127.79 = 52,344.32 : x
  2. Step 2: Convert to fraction form
    86,348.24/119,127.79 = 52,344.32/x
  3. Step 3: Cross multiply
    86,348.24x = 119,127.79 × 52,344.32
  4. Step 4: Simplify right side
    86,348.24x = 6,235,663,160.65
  5. Step 5: Solve for x
    x = 6,235,663,160.65/86,348.24
  6. Step 6: Final answer
    x = 72,215.29

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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.