Home / 83,870.48-115,616.04-55,526.96

Finding the Fourth Proportional to 83,870.48, 115,616.04 and 55,526.96

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Solution

The fourth proportional to 83,870.48, 115,616.04 and 55,526.96 is: 76,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,870.48 : 115,616.04 = 55,526.96 : x
  2. Step 2: Convert to fraction form
    83,870.48/115,616.04 = 55,526.96/x
  3. Step 3: Cross multiply
    83,870.48x = 115,616.04 × 55,526.96
  4. Step 4: Simplify right side
    83,870.48x = 6,419,807,228.44
  5. Step 5: Solve for x
    x = 6,419,807,228.44/83,870.48
  6. Step 6: Final answer
    x = 76,544.30

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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.