Home / 71,931.24-107,953.29-49,899.51

Finding the Fourth Proportional to 71,931.24, 107,953.29 and 49,899.51

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Solution

The fourth proportional to 71,931.24, 107,953.29 and 49,899.51 is: 74,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,931.24 : 107,953.29 = 49,899.51 : x
  2. Step 2: Convert to fraction form
    71,931.24/107,953.29 = 49,899.51/x
  3. Step 3: Cross multiply
    71,931.24x = 107,953.29 × 49,899.51
  4. Step 4: Simplify right side
    71,931.24x = 5,386,816,273.89
  5. Step 5: Solve for x
    x = 5,386,816,273.89/71,931.24
  6. Step 6: Final answer
    x = 74,888.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.