Home / 78,801.04-108,751.92-44,820.16

Finding the Fourth Proportional to 78,801.04, 108,751.92 and 44,820.16

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Solution

The fourth proportional to 78,801.04, 108,751.92 and 44,820.16 is: 61,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,801.04 : 108,751.92 = 44,820.16 : x
  2. Step 2: Convert to fraction form
    78,801.04/108,751.92 = 44,820.16/x
  3. Step 3: Cross multiply
    78,801.04x = 108,751.92 × 44,820.16
  4. Step 4: Simplify right side
    78,801.04x = 4,874,278,454.71
  5. Step 5: Solve for x
    x = 4,874,278,454.71/78,801.04
  6. Step 6: Final answer
    x = 61,855.51

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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.