Home / 90,267.50-124,559.09-49,971.17

Finding the Fourth Proportional to 90,267.50, 124,559.09 and 49,971.17

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Solution

The fourth proportional to 90,267.50, 124,559.09 and 49,971.17 is: 68,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,267.50 : 124,559.09 = 49,971.17 : x
  2. Step 2: Convert to fraction form
    90,267.50/124,559.09 = 49,971.17/x
  3. Step 3: Cross multiply
    90,267.50x = 124,559.09 × 49,971.17
  4. Step 4: Simplify right side
    90,267.50x = 6,224,362,588.78
  5. Step 5: Solve for x
    x = 6,224,362,588.78/90,267.50
  6. Step 6: Final answer
    x = 68,954.64

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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.