Home / 75,154.42-103,663.16-48,330.84

Finding the Fourth Proportional to 75,154.42, 103,663.16 and 48,330.84

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Solution

The fourth proportional to 75,154.42, 103,663.16 and 48,330.84 is: 66,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,154.42 : 103,663.16 = 48,330.84 : x
  2. Step 2: Convert to fraction form
    75,154.42/103,663.16 = 48,330.84/x
  3. Step 3: Cross multiply
    75,154.42x = 103,663.16 × 48,330.84
  4. Step 4: Simplify right side
    75,154.42x = 5,010,127,599.85
  5. Step 5: Solve for x
    x = 5,010,127,599.85/75,154.42
  6. Step 6: Final answer
    x = 66,664.44

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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.