Home / 90,538.98-124,937.48-49,696.76

Finding the Fourth Proportional to 90,538.98, 124,937.48 and 49,696.76

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Solution

The fourth proportional to 90,538.98, 124,937.48 and 49,696.76 is: 68,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,538.98 : 124,937.48 = 49,696.76 : x
  2. Step 2: Convert to fraction form
    90,538.98/124,937.48 = 49,696.76/x
  3. Step 3: Cross multiply
    90,538.98x = 124,937.48 × 49,696.76
  4. Step 4: Simplify right side
    90,538.98x = 6,208,987,085.39
  5. Step 5: Solve for x
    x = 6,208,987,085.39/90,538.98
  6. Step 6: Final answer
    x = 68,578.05

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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.