Home / 105,040.87-144,950.61-59,712.56

Finding the Fourth Proportional to 105,040.87, 144,950.61 and 59,712.56

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Solution

The fourth proportional to 105,040.87, 144,950.61 and 59,712.56 is: 82,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,040.87 : 144,950.61 = 59,712.56 : x
  2. Step 2: Convert to fraction form
    105,040.87/144,950.61 = 59,712.56/x
  3. Step 3: Cross multiply
    105,040.87x = 144,950.61 × 59,712.56
  4. Step 4: Simplify right side
    105,040.87x = 8,655,372,039.40
  5. Step 5: Solve for x
    x = 8,655,372,039.40/105,040.87
  6. Step 6: Final answer
    x = 82,400.04

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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.