Home / 82,019.04-122,950.80-40,417.44

Finding the Fourth Proportional to 82,019.04, 122,950.80 and 40,417.44

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Solution

The fourth proportional to 82,019.04, 122,950.80 and 40,417.44 is: 60,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,019.04 : 122,950.80 = 40,417.44 : x
  2. Step 2: Convert to fraction form
    82,019.04/122,950.80 = 40,417.44/x
  3. Step 3: Cross multiply
    82,019.04x = 122,950.80 × 40,417.44
  4. Step 4: Simplify right side
    82,019.04x = 4,969,356,581.95
  5. Step 5: Solve for x
    x = 4,969,356,581.95/82,019.04
  6. Step 6: Final answer
    x = 60,587.84

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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.