Home / 113,824.02-157,078.42-62,836.78

Finding the Fourth Proportional to 113,824.02, 157,078.42 and 62,836.78

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Solution

The fourth proportional to 113,824.02, 157,078.42 and 62,836.78 is: 86,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,824.02 : 157,078.42 = 62,836.78 : x
  2. Step 2: Convert to fraction form
    113,824.02/157,078.42 = 62,836.78/x
  3. Step 3: Cross multiply
    113,824.02x = 157,078.42 × 62,836.78
  4. Step 4: Simplify right side
    113,824.02x = 9,870,302,120.29
  5. Step 5: Solve for x
    x = 9,870,302,120.29/113,824.02
  6. Step 6: Final answer
    x = 86,715.46

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1.5x scale

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.