Home / 105,773.40-145,966.68-58,025.70

Finding the Fourth Proportional to 105,773.40, 145,966.68 and 58,025.70

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Solution

The fourth proportional to 105,773.40, 145,966.68 and 58,025.70 is: 80,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,773.40 : 145,966.68 = 58,025.70 : x
  2. Step 2: Convert to fraction form
    105,773.40/145,966.68 = 58,025.70/x
  3. Step 3: Cross multiply
    105,773.40x = 145,966.68 × 58,025.70
  4. Step 4: Simplify right side
    105,773.40x = 8,469,818,783.68
  5. Step 5: Solve for x
    x = 8,469,818,783.68/105,773.40
  6. Step 6: Final answer
    x = 80,075.13

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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.