Home / 90,277.33-124,581.18-49,990.23

Finding the Fourth Proportional to 90,277.33, 124,581.18 and 49,990.23

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Solution

The fourth proportional to 90,277.33, 124,581.18 and 49,990.23 is: 68,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,277.33 : 124,581.18 = 49,990.23 : x
  2. Step 2: Convert to fraction form
    90,277.33/124,581.18 = 49,990.23/x
  3. Step 3: Cross multiply
    90,277.33x = 124,581.18 × 49,990.23
  4. Step 4: Simplify right side
    90,277.33x = 6,227,841,841.87
  5. Step 5: Solve for x
    x = 6,227,841,841.87/90,277.33
  6. Step 6: Final answer
    x = 68,985.67

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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.