Home / 113,470.47-170,030.07-77,948.82

Finding the Fourth Proportional to 113,470.47, 170,030.07 and 77,948.82

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Solution

The fourth proportional to 113,470.47, 170,030.07 and 77,948.82 is: 116,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,470.47 : 170,030.07 = 77,948.82 : x
  2. Step 2: Convert to fraction form
    113,470.47/170,030.07 = 77,948.82/x
  3. Step 3: Cross multiply
    113,470.47x = 170,030.07 × 77,948.82
  4. Step 4: Simplify right side
    113,470.47x = 13,253,643,321.02
  5. Step 5: Solve for x
    x = 13,253,643,321.02/113,470.47
  6. Step 6: Final answer
    x = 116,802.58

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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.