Home / 78,315.04-108,073.74-44,787.52

Finding the Fourth Proportional to 78,315.04, 108,073.74 and 44,787.52

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Solution

The fourth proportional to 78,315.04, 108,073.74 and 44,787.52 is: 61,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,315.04 : 108,073.74 = 44,787.52 : x
  2. Step 2: Convert to fraction form
    78,315.04/108,073.74 = 44,787.52/x
  3. Step 3: Cross multiply
    78,315.04x = 108,073.74 × 44,787.52
  4. Step 4: Simplify right side
    78,315.04x = 4,840,354,791.72
  5. Step 5: Solve for x
    x = 4,840,354,791.72/78,315.04
  6. Step 6: Final answer
    x = 61,806.20

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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.