Home / 113,790.61-157,039.94-62,813.46

Finding the Fourth Proportional to 113,790.61, 157,039.94 and 62,813.46

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Solution

The fourth proportional to 113,790.61, 157,039.94 and 62,813.46 is: 86,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,790.61 : 157,039.94 = 62,813.46 : x
  2. Step 2: Convert to fraction form
    113,790.61/157,039.94 = 62,813.46/x
  3. Step 3: Cross multiply
    113,790.61x = 157,039.94 × 62,813.46
  4. Step 4: Simplify right side
    113,790.61x = 9,864,221,989.59
  5. Step 5: Solve for x
    x = 9,864,221,989.59/113,790.61
  6. Step 6: Final answer
    x = 86,687.49

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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.