Home / 75,030.68-103,556.19-48,206.72

Finding the Fourth Proportional to 75,030.68, 103,556.19 and 48,206.72

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Solution

The fourth proportional to 75,030.68, 103,556.19 and 48,206.72 is: 66,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,030.68 : 103,556.19 = 48,206.72 : x
  2. Step 2: Convert to fraction form
    75,030.68/103,556.19 = 48,206.72/x
  3. Step 3: Cross multiply
    75,030.68x = 103,556.19 × 48,206.72
  4. Step 4: Simplify right side
    75,030.68x = 4,992,103,737.82
  5. Step 5: Solve for x
    x = 4,992,103,737.82/75,030.68
  6. Step 6: Final answer
    x = 66,534.17

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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.