Home / 74,877.20-103,246.60-51,017.84

Finding the Fourth Proportional to 74,877.20, 103,246.60 and 51,017.84

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Solution

The fourth proportional to 74,877.20, 103,246.60 and 51,017.84 is: 70,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,877.20 : 103,246.60 = 51,017.84 : x
  2. Step 2: Convert to fraction form
    74,877.20/103,246.60 = 51,017.84/x
  3. Step 3: Cross multiply
    74,877.20x = 103,246.60 × 51,017.84
  4. Step 4: Simplify right side
    74,877.20x = 5,267,418,519.34
  5. Step 5: Solve for x
    x = 5,267,418,519.34/74,877.20
  6. Step 6: Final answer
    x = 70,347.43

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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.