Home / 78,509.07-108,340.20-44,520.66

Finding the Fourth Proportional to 78,509.07, 108,340.20 and 44,520.66

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Solution

The fourth proportional to 78,509.07, 108,340.20 and 44,520.66 is: 61,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,509.07 : 108,340.20 = 44,520.66 : x
  2. Step 2: Convert to fraction form
    78,509.07/108,340.20 = 44,520.66/x
  3. Step 3: Cross multiply
    78,509.07x = 108,340.20 × 44,520.66
  4. Step 4: Simplify right side
    78,509.07x = 4,823,377,208.53
  5. Step 5: Solve for x
    x = 4,823,377,208.53/78,509.07
  6. Step 6: Final answer
    x = 61,437.20

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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.