Home / 82,860.04-124,289.34-49,589.32

Finding the Fourth Proportional to 82,860.04, 124,289.34 and 49,589.32

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Solution

The fourth proportional to 82,860.04, 124,289.34 and 49,589.32 is: 74,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,860.04 : 124,289.34 = 49,589.32 : x
  2. Step 2: Convert to fraction form
    82,860.04/124,289.34 = 49,589.32/x
  3. Step 3: Cross multiply
    82,860.04x = 124,289.34 × 49,589.32
  4. Step 4: Simplify right side
    82,860.04x = 6,163,423,853.85
  5. Step 5: Solve for x
    x = 6,163,423,853.85/82,860.04
  6. Step 6: Final answer
    x = 74,383.55

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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.