Home / 83,051.60-124,577.40-49,809.20

Finding the Fourth Proportional to 83,051.60, 124,577.40 and 49,809.20

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Solution

The fourth proportional to 83,051.60, 124,577.40 and 49,809.20 is: 74,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,051.60 : 124,577.40 = 49,809.20 : x
  2. Step 2: Convert to fraction form
    83,051.60/124,577.40 = 49,809.20/x
  3. Step 3: Cross multiply
    83,051.60x = 124,577.40 × 49,809.20
  4. Step 4: Simplify right side
    83,051.60x = 6,205,100,632.08
  5. Step 5: Solve for x
    x = 6,205,100,632.08/83,051.60
  6. Step 6: Final answer
    x = 74,713.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.