Home / 105,767.22-145,958.76-58,020.69

Finding the Fourth Proportional to 105,767.22, 145,958.76 and 58,020.69

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Solution

The fourth proportional to 105,767.22, 145,958.76 and 58,020.69 is: 80,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,767.22 : 145,958.76 = 58,020.69 : x
  2. Step 2: Convert to fraction form
    105,767.22/145,958.76 = 58,020.69/x
  3. Step 3: Cross multiply
    105,767.22x = 145,958.76 × 58,020.69
  4. Step 4: Simplify right side
    105,767.22x = 8,468,627,966.74
  5. Step 5: Solve for x
    x = 8,468,627,966.74/105,767.22
  6. Step 6: Final answer
    x = 80,068.55

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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.