Home / 90,117.23-124,356.76-49,828.57

Finding the Fourth Proportional to 90,117.23, 124,356.76 and 49,828.57

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Solution

The fourth proportional to 90,117.23, 124,356.76 and 49,828.57 is: 68,760.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,117.23 : 124,356.76 = 49,828.57 : x
  2. Step 2: Convert to fraction form
    90,117.23/124,356.76 = 49,828.57/x
  3. Step 3: Cross multiply
    90,117.23x = 124,356.76 × 49,828.57
  4. Step 4: Simplify right side
    90,117.23x = 6,196,519,085.17
  5. Step 5: Solve for x
    x = 6,196,519,085.17/90,117.23
  6. Step 6: Final answer
    x = 68,760.65

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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.