Home / 75,328.12-103,952.52-41,337.18

Finding the Fourth Proportional to 75,328.12, 103,952.52 and 41,337.18

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Solution

The fourth proportional to 75,328.12, 103,952.52 and 41,337.18 is: 57,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,328.12 : 103,952.52 = 41,337.18 : x
  2. Step 2: Convert to fraction form
    75,328.12/103,952.52 = 41,337.18/x
  3. Step 3: Cross multiply
    75,328.12x = 103,952.52 × 41,337.18
  4. Step 4: Simplify right side
    75,328.12x = 4,297,104,030.69
  5. Step 5: Solve for x
    x = 4,297,104,030.69/75,328.12
  6. Step 6: Final answer
    x = 57,045.15

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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.