Home / 61,604.16-85,013.28-48,189.12

Finding the Fourth Proportional to 61,604.16, 85,013.28 and 48,189.12

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Solution

The fourth proportional to 61,604.16, 85,013.28 and 48,189.12 is: 66,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,604.16 : 85,013.28 = 48,189.12 : x
  2. Step 2: Convert to fraction form
    61,604.16/85,013.28 = 48,189.12/x
  3. Step 3: Cross multiply
    61,604.16x = 85,013.28 × 48,189.12
  4. Step 4: Simplify right side
    61,604.16x = 4,096,715,151.51
  5. Step 5: Solve for x
    x = 4,096,715,151.51/61,604.16
  6. Step 6: Final answer
    x = 66,500.63

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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.