Home / 83,501.88-125,235.54-30,910.20

Finding the Fourth Proportional to 83,501.88, 125,235.54 and 30,910.20

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Solution

The fourth proportional to 83,501.88, 125,235.54 and 30,910.20 is: 46,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,501.88 : 125,235.54 = 30,910.20 : x
  2. Step 2: Convert to fraction form
    83,501.88/125,235.54 = 30,910.20/x
  3. Step 3: Cross multiply
    83,501.88x = 125,235.54 × 30,910.20
  4. Step 4: Simplify right side
    83,501.88x = 3,871,055,588.51
  5. Step 5: Solve for x
    x = 3,871,055,588.51/83,501.88
  6. Step 6: Final answer
    x = 46,358.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.