Home / 90,268.16-124,559.51-49,981.73

Finding the Fourth Proportional to 90,268.16, 124,559.51 and 49,981.73

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Solution

The fourth proportional to 90,268.16, 124,559.51 and 49,981.73 is: 68,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,268.16 : 124,559.51 = 49,981.73 : x
  2. Step 2: Convert to fraction form
    90,268.16/124,559.51 = 49,981.73/x
  3. Step 3: Cross multiply
    90,268.16x = 124,559.51 × 49,981.73
  4. Step 4: Simplify right side
    90,268.16x = 6,225,698,925.05
  5. Step 5: Solve for x
    x = 6,225,698,925.05/90,268.16
  6. Step 6: Final answer
    x = 68,968.94

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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.