Home / 105,750.25-145,944.70-58,012.90

Finding the Fourth Proportional to 105,750.25, 145,944.70 and 58,012.90

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Solution

The fourth proportional to 105,750.25, 145,944.70 and 58,012.90 is: 80,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,750.25 : 145,944.70 = 58,012.90 : x
  2. Step 2: Convert to fraction form
    105,750.25/145,944.70 = 58,012.90/x
  3. Step 3: Cross multiply
    105,750.25x = 145,944.70 × 58,012.90
  4. Step 4: Simplify right side
    105,750.25x = 8,466,674,776.74
  5. Step 5: Solve for x
    x = 8,466,674,776.74/105,750.25
  6. Step 6: Final answer
    x = 80,062.93

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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.