Home / 90,024.85-124,223.69-49,736.21

Finding the Fourth Proportional to 90,024.85, 124,223.69 and 49,736.21

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Solution

The fourth proportional to 90,024.85, 124,223.69 and 49,736.21 is: 68,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,024.85 : 124,223.69 = 49,736.21 : x
  2. Step 2: Convert to fraction form
    90,024.85/124,223.69 = 49,736.21/x
  3. Step 3: Cross multiply
    90,024.85x = 124,223.69 × 49,736.21
  4. Step 4: Simplify right side
    90,024.85x = 6,178,415,532.81
  5. Step 5: Solve for x
    x = 6,178,415,532.81/90,024.85
  6. Step 6: Final answer
    x = 68,630.11

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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.