Home / 113,943.69-157,245.47-62,959.70

Finding the Fourth Proportional to 113,943.69, 157,245.47 and 62,959.70

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Solution

The fourth proportional to 113,943.69, 157,245.47 and 62,959.70 is: 86,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,943.69 : 157,245.47 = 62,959.70 : x
  2. Step 2: Convert to fraction form
    113,943.69/157,245.47 = 62,959.70/x
  3. Step 3: Cross multiply
    113,943.69x = 157,245.47 × 62,959.70
  4. Step 4: Simplify right side
    113,943.69x = 9,900,127,617.56
  5. Step 5: Solve for x
    x = 9,900,127,617.56/113,943.69
  6. Step 6: Final answer
    x = 86,886.14

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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.