Home / 113,977.36-157,287.90-62,993.53

Finding the Fourth Proportional to 113,977.36, 157,287.90 and 62,993.53

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Solution

The fourth proportional to 113,977.36, 157,287.90 and 62,993.53 is: 86,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,977.36 : 157,287.90 = 62,993.53 : x
  2. Step 2: Convert to fraction form
    113,977.36/157,287.90 = 62,993.53/x
  3. Step 3: Cross multiply
    113,977.36x = 157,287.90 × 62,993.53
  4. Step 4: Simplify right side
    113,977.36x = 9,908,120,047.29
  5. Step 5: Solve for x
    x = 9,908,120,047.29/113,977.36
  6. Step 6: Final answer
    x = 86,930.60

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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.