Home / 90,064.85-124,290.41-49,230.14

Finding the Fourth Proportional to 90,064.85, 124,290.41 and 49,230.14

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Solution

The fourth proportional to 90,064.85, 124,290.41 and 49,230.14 is: 67,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,064.85 : 124,290.41 = 49,230.14 : x
  2. Step 2: Convert to fraction form
    90,064.85/124,290.41 = 49,230.14/x
  3. Step 3: Cross multiply
    90,064.85x = 124,290.41 × 49,230.14
  4. Step 4: Simplify right side
    90,064.85x = 6,118,833,417.35
  5. Step 5: Solve for x
    x = 6,118,833,417.35/90,064.85
  6. Step 6: Final answer
    x = 67,938.09

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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.