Home / 90,017.72-124,226.96-49,734.08

Finding the Fourth Proportional to 90,017.72, 124,226.96 and 49,734.08

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Solution

The fourth proportional to 90,017.72, 124,226.96 and 49,734.08 is: 68,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,017.72 : 124,226.96 = 49,734.08 : x
  2. Step 2: Convert to fraction form
    90,017.72/124,226.96 = 49,734.08/x
  3. Step 3: Cross multiply
    90,017.72x = 124,226.96 × 49,734.08
  4. Step 4: Simplify right side
    90,017.72x = 6,178,312,696.99
  5. Step 5: Solve for x
    x = 6,178,312,696.99/90,017.72
  6. Step 6: Final answer
    x = 68,634.41

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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.