Home / 83,618.42-125,394.95-30,297.74

Finding the Fourth Proportional to 83,618.42, 125,394.95 and 30,297.74

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Solution

The fourth proportional to 83,618.42, 125,394.95 and 30,297.74 is: 45,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,618.42 : 125,394.95 = 30,297.74 : x
  2. Step 2: Convert to fraction form
    83,618.42/125,394.95 = 30,297.74/x
  3. Step 3: Cross multiply
    83,618.42x = 125,394.95 × 30,297.74
  4. Step 4: Simplify right side
    83,618.42x = 3,799,183,592.41
  5. Step 5: Solve for x
    x = 3,799,183,592.41/83,618.42
  6. Step 6: Final answer
    x = 45,434.77

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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.