Home / 113,993.87-157,312.16-62,311.04

Finding the Fourth Proportional to 113,993.87, 157,312.16 and 62,311.04

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Solution

The fourth proportional to 113,993.87, 157,312.16 and 62,311.04 is: 85,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,993.87 : 157,312.16 = 62,311.04 : x
  2. Step 2: Convert to fraction form
    113,993.87/157,312.16 = 62,311.04/x
  3. Step 3: Cross multiply
    113,993.87x = 157,312.16 × 62,311.04
  4. Step 4: Simplify right side
    113,993.87x = 9,802,283,402.03
  5. Step 5: Solve for x
    x = 9,802,283,402.03/113,993.87
  6. Step 6: Final answer
    x = 85,989.57

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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.