Home / 113,821.94-157,074.51-62,834.74

Finding the Fourth Proportional to 113,821.94, 157,074.51 and 62,834.74

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Solution

The fourth proportional to 113,821.94, 157,074.51 and 62,834.74 is: 86,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,821.94 : 157,074.51 = 62,834.74 : x
  2. Step 2: Convert to fraction form
    113,821.94/157,074.51 = 62,834.74/x
  3. Step 3: Cross multiply
    113,821.94x = 157,074.51 × 62,834.74
  4. Step 4: Simplify right side
    113,821.94x = 9,869,735,996.48
  5. Step 5: Solve for x
    x = 9,869,735,996.48/113,821.94
  6. Step 6: Final answer
    x = 86,712.07

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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.