Home / 86,418.16-119,266.68-54,585.52

Finding the Fourth Proportional to 86,418.16, 119,266.68 and 54,585.52

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Solution

The fourth proportional to 86,418.16, 119,266.68 and 54,585.52 is: 75,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,418.16 : 119,266.68 = 54,585.52 : x
  2. Step 2: Convert to fraction form
    86,418.16/119,266.68 = 54,585.52/x
  3. Step 3: Cross multiply
    86,418.16x = 119,266.68 × 54,585.52
  4. Step 4: Simplify right side
    86,418.16x = 6,510,233,746.47
  5. Step 5: Solve for x
    x = 6,510,233,746.47/86,418.16
  6. Step 6: Final answer
    x = 75,334.09

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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.