Home / 86,542.38-119,428.29-48,816.36

Finding the Fourth Proportional to 86,542.38, 119,428.29 and 48,816.36

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Solution

The fourth proportional to 86,542.38, 119,428.29 and 48,816.36 is: 67,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,542.38 : 119,428.29 = 48,816.36 : x
  2. Step 2: Convert to fraction form
    86,542.38/119,428.29 = 48,816.36/x
  3. Step 3: Cross multiply
    86,542.38x = 119,428.29 × 48,816.36
  4. Step 4: Simplify right side
    86,542.38x = 5,830,054,398.82
  5. Step 5: Solve for x
    x = 5,830,054,398.82/86,542.38
  6. Step 6: Final answer
    x = 67,366.47

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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.