Home / 115,377.20-173,065.80-48,892.40

Finding the Fourth Proportional to 115,377.20, 173,065.80 and 48,892.40

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Solution

The fourth proportional to 115,377.20, 173,065.80 and 48,892.40 is: 73,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,377.20 : 173,065.80 = 48,892.40 : x
  2. Step 2: Convert to fraction form
    115,377.20/173,065.80 = 48,892.40/x
  3. Step 3: Cross multiply
    115,377.20x = 173,065.80 × 48,892.40
  4. Step 4: Simplify right side
    115,377.20x = 8,461,602,319.92
  5. Step 5: Solve for x
    x = 8,461,602,319.92/115,377.20
  6. Step 6: Final answer
    x = 73,338.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.