Home / 78,427.35-108,229.46-44,442.30

Finding the Fourth Proportional to 78,427.35, 108,229.46 and 44,442.30

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Solution

The fourth proportional to 78,427.35, 108,229.46 and 44,442.30 is: 61,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,427.35 : 108,229.46 = 44,442.30 : x
  2. Step 2: Convert to fraction form
    78,427.35/108,229.46 = 44,442.30/x
  3. Step 3: Cross multiply
    78,427.35x = 108,229.46 × 44,442.30
  4. Step 4: Simplify right side
    78,427.35x = 4,809,966,130.16
  5. Step 5: Solve for x
    x = 4,809,966,130.16/78,427.35
  6. Step 6: Final answer
    x = 61,330.22

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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.