Home / 113,790.48-157,029.76-62,803.68

Finding the Fourth Proportional to 113,790.48, 157,029.76 and 62,803.68

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Solution

The fourth proportional to 113,790.48, 157,029.76 and 62,803.68 is: 86,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,790.48 : 157,029.76 = 62,803.68 : x
  2. Step 2: Convert to fraction form
    113,790.48/157,029.76 = 62,803.68/x
  3. Step 3: Cross multiply
    113,790.48x = 157,029.76 × 62,803.68
  4. Step 4: Simplify right side
    113,790.48x = 9,862,046,797.52
  5. Step 5: Solve for x
    x = 9,862,046,797.52/113,790.48
  6. Step 6: Final answer
    x = 86,668.47

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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.