Home / 75,030.15-103,554.36-43,217.49

Finding the Fourth Proportional to 75,030.15, 103,554.36 and 43,217.49

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Solution

The fourth proportional to 75,030.15, 103,554.36 and 43,217.49 is: 59,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,030.15 : 103,554.36 = 43,217.49 : x
  2. Step 2: Convert to fraction form
    75,030.15/103,554.36 = 43,217.49/x
  3. Step 3: Cross multiply
    75,030.15x = 103,554.36 × 43,217.49
  4. Step 4: Simplify right side
    75,030.15x = 4,475,359,517.76
  5. Step 5: Solve for x
    x = 4,475,359,517.76/75,030.15
  6. Step 6: Final answer
    x = 59,647.48

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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.