Home / 77,316.51-115,938.22-29,953.79

Finding the Fourth Proportional to 77,316.51, 115,938.22 and 29,953.79

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Solution

The fourth proportional to 77,316.51, 115,938.22 and 29,953.79 is: 44,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,316.51 : 115,938.22 = 29,953.79 : x
  2. Step 2: Convert to fraction form
    77,316.51/115,938.22 = 29,953.79/x
  3. Step 3: Cross multiply
    77,316.51x = 115,938.22 × 29,953.79
  4. Step 4: Simplify right side
    77,316.51x = 3,472,789,094.85
  5. Step 5: Solve for x
    x = 3,472,789,094.85/77,316.51
  6. Step 6: Final answer
    x = 44,916.53

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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.