Home / 83,342.16-115,036.32-47,551.68

Finding the Fourth Proportional to 83,342.16, 115,036.32 and 47,551.68

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Solution

The fourth proportional to 83,342.16, 115,036.32 and 47,551.68 is: 65,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,342.16 : 115,036.32 = 47,551.68 : x
  2. Step 2: Convert to fraction form
    83,342.16/115,036.32 = 47,551.68/x
  3. Step 3: Cross multiply
    83,342.16x = 115,036.32 × 47,551.68
  4. Step 4: Simplify right side
    83,342.16x = 5,470,170,277.02
  5. Step 5: Solve for x
    x = 5,470,170,277.02/83,342.16
  6. Step 6: Final answer
    x = 65,635.09

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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.