Home / 77,943.42-116,886.29-28,010.07

Finding the Fourth Proportional to 77,943.42, 116,886.29 and 28,010.07

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Solution

The fourth proportional to 77,943.42, 116,886.29 and 28,010.07 is: 42,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,943.42 : 116,886.29 = 28,010.07 : x
  2. Step 2: Convert to fraction form
    77,943.42/116,886.29 = 28,010.07/x
  3. Step 3: Cross multiply
    77,943.42x = 116,886.29 × 28,010.07
  4. Step 4: Simplify right side
    77,943.42x = 3,273,993,024.89
  5. Step 5: Solve for x
    x = 3,273,993,024.89/77,943.42
  6. Step 6: Final answer
    x = 42,004.74

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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.