Home / 75,265.04-103,842.12-43,429.76

Finding the Fourth Proportional to 75,265.04, 103,842.12 and 43,429.76

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Solution

The fourth proportional to 75,265.04, 103,842.12 and 43,429.76 is: 59,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,265.04 : 103,842.12 = 43,429.76 : x
  2. Step 2: Convert to fraction form
    75,265.04/103,842.12 = 43,429.76/x
  3. Step 3: Cross multiply
    75,265.04x = 103,842.12 × 43,429.76
  4. Step 4: Simplify right side
    75,265.04x = 4,509,838,349.49
  5. Step 5: Solve for x
    x = 4,509,838,349.49/75,265.04
  6. Step 6: Final answer
    x = 59,919.43

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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.