Home / 114,030.57-157,387.17-66,311.45

Finding the Fourth Proportional to 114,030.57, 157,387.17 and 66,311.45

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Solution

The fourth proportional to 114,030.57, 157,387.17 and 66,311.45 is: 91,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,030.57 : 157,387.17 = 66,311.45 : x
  2. Step 2: Convert to fraction form
    114,030.57/157,387.17 = 66,311.45/x
  3. Step 3: Cross multiply
    114,030.57x = 157,387.17 × 66,311.45
  4. Step 4: Simplify right side
    114,030.57x = 10,436,571,454.10
  5. Step 5: Solve for x
    x = 10,436,571,454.10/114,030.57
  6. Step 6: Final answer
    x = 91,524.33

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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.