Home / 90,302.82-124,616.53-49,466.62

Finding the Fourth Proportional to 90,302.82, 124,616.53 and 49,466.62

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Solution

The fourth proportional to 90,302.82, 124,616.53 and 49,466.62 is: 68,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,302.82 : 124,616.53 = 49,466.62 : x
  2. Step 2: Convert to fraction form
    90,302.82/124,616.53 = 49,466.62/x
  3. Step 3: Cross multiply
    90,302.82x = 124,616.53 × 49,466.62
  4. Step 4: Simplify right side
    90,302.82x = 6,164,358,825.07
  5. Step 5: Solve for x
    x = 6,164,358,825.07/90,302.82
  6. Step 6: Final answer
    x = 68,263.19

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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.