Home / 80,788.48-111,490-44,980.90

Finding the Fourth Proportional to 80,788.48, 111,490 and 44,980.90

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Solution

The fourth proportional to 80,788.48, 111,490 and 44,980.90 is: 62,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,788.48 : 111,490 = 44,980.90 : x
  2. Step 2: Convert to fraction form
    80,788.48/111,490 = 44,980.90/x
  3. Step 3: Cross multiply
    80,788.48x = 111,490 × 44,980.90
  4. Step 4: Simplify right side
    80,788.48x = 5,014,920,541
  5. Step 5: Solve for x
    x = 5,014,920,541/80,788.48
  6. Step 6: Final answer
    x = 62,074.70

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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.