Home / 78,228.32-108,044.19-53,034.08

Finding the Fourth Proportional to 78,228.32, 108,044.19 and 53,034.08

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Solution

The fourth proportional to 78,228.32, 108,044.19 and 53,034.08 is: 73,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,228.32 : 108,044.19 = 53,034.08 : x
  2. Step 2: Convert to fraction form
    78,228.32/108,044.19 = 53,034.08/x
  3. Step 3: Cross multiply
    78,228.32x = 108,044.19 × 53,034.08
  4. Step 4: Simplify right side
    78,228.32x = 5,730,024,216.00
  5. Step 5: Solve for x
    x = 5,730,024,216.00/78,228.32
  6. Step 6: Final answer
    x = 73,247.44

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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.