Home / 105,570.73-145,647.07-60,251.23

Finding the Fourth Proportional to 105,570.73, 145,647.07 and 60,251.23

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Solution

The fourth proportional to 105,570.73, 145,647.07 and 60,251.23 is: 83,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,570.73 : 145,647.07 = 60,251.23 : x
  2. Step 2: Convert to fraction form
    105,570.73/145,647.07 = 60,251.23/x
  3. Step 3: Cross multiply
    105,570.73x = 145,647.07 × 60,251.23
  4. Step 4: Simplify right side
    105,570.73x = 8,775,415,113.40
  5. Step 5: Solve for x
    x = 8,775,415,113.40/105,570.73
  6. Step 6: Final answer
    x = 83,123.56

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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.