Home / 89,931.69-124,096.89-49,642.86

Finding the Fourth Proportional to 89,931.69, 124,096.89 and 49,642.86

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Solution

The fourth proportional to 89,931.69, 124,096.89 and 49,642.86 is: 68,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,931.69 : 124,096.89 = 49,642.86 : x
  2. Step 2: Convert to fraction form
    89,931.69/124,096.89 = 49,642.86/x
  3. Step 3: Cross multiply
    89,931.69x = 124,096.89 × 49,642.86
  4. Step 4: Simplify right side
    89,931.69x = 6,160,524,536.71
  5. Step 5: Solve for x
    x = 6,160,524,536.71/89,931.69
  6. Step 6: Final answer
    x = 68,502.27

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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.