Home / 83,087.01-124,431.84-47,920.05

Finding the Fourth Proportional to 83,087.01, 124,431.84 and 47,920.05

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Solution

The fourth proportional to 83,087.01, 124,431.84 and 47,920.05 is: 71,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,087.01 : 124,431.84 = 47,920.05 : x
  2. Step 2: Convert to fraction form
    83,087.01/124,431.84 = 47,920.05/x
  3. Step 3: Cross multiply
    83,087.01x = 124,431.84 × 47,920.05
  4. Step 4: Simplify right side
    83,087.01x = 5,962,779,994.39
  5. Step 5: Solve for x
    x = 5,962,779,994.39/83,087.01
  6. Step 6: Final answer
    x = 71,765.49

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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.