Home / 90,315.12-124,635.92-50,029.68

Finding the Fourth Proportional to 90,315.12, 124,635.92 and 50,029.68

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Solution

The fourth proportional to 90,315.12, 124,635.92 and 50,029.68 is: 69,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,315.12 : 124,635.92 = 50,029.68 : x
  2. Step 2: Convert to fraction form
    90,315.12/124,635.92 = 50,029.68/x
  3. Step 3: Cross multiply
    90,315.12x = 124,635.92 × 50,029.68
  4. Step 4: Simplify right side
    90,315.12x = 6,235,495,194.11
  5. Step 5: Solve for x
    x = 6,235,495,194.11/90,315.12
  6. Step 6: Final answer
    x = 69,041.54

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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.