Home / 89,934.99-124,110.47-49,648.81

Finding the Fourth Proportional to 89,934.99, 124,110.47 and 49,648.81

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Solution

The fourth proportional to 89,934.99, 124,110.47 and 49,648.81 is: 68,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.99 : 124,110.47 = 49,648.81 : x
  2. Step 2: Convert to fraction form
    89,934.99/124,110.47 = 49,648.81/x
  3. Step 3: Cross multiply
    89,934.99x = 124,110.47 × 49,648.81
  4. Step 4: Simplify right side
    89,934.99x = 6,161,937,144.04
  5. Step 5: Solve for x
    x = 6,161,937,144.04/89,934.99
  6. Step 6: Final answer
    x = 68,515.46

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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.