Home / 78,297.03-108,048.40-44,304.90

Finding the Fourth Proportional to 78,297.03, 108,048.40 and 44,304.90

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Solution

The fourth proportional to 78,297.03, 108,048.40 and 44,304.90 is: 61,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,297.03 : 108,048.40 = 44,304.90 : x
  2. Step 2: Convert to fraction form
    78,297.03/108,048.40 = 44,304.90/x
  3. Step 3: Cross multiply
    78,297.03x = 108,048.40 × 44,304.90
  4. Step 4: Simplify right side
    78,297.03x = 4,787,073,041.22
  5. Step 5: Solve for x
    x = 4,787,073,041.22/78,297.03
  6. Step 6: Final answer
    x = 61,139.91

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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.