Home / 113,965.48-157,277.80-68,657.52

Finding the Fourth Proportional to 113,965.48, 157,277.80 and 68,657.52

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Solution

The fourth proportional to 113,965.48, 157,277.80 and 68,657.52 is: 94,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,965.48 : 157,277.80 = 68,657.52 : x
  2. Step 2: Convert to fraction form
    113,965.48/157,277.80 = 68,657.52/x
  3. Step 3: Cross multiply
    113,965.48x = 157,277.80 × 68,657.52
  4. Step 4: Simplify right side
    113,965.48x = 10,798,304,374.67
  5. Step 5: Solve for x
    x = 10,798,304,374.67/113,965.48
  6. Step 6: Final answer
    x = 94,750.66

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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.