Home / 105,058.50-144,980.73-67,332.75

Finding the Fourth Proportional to 105,058.50, 144,980.73 and 67,332.75

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Solution

The fourth proportional to 105,058.50, 144,980.73 and 67,332.75 is: 92,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,058.50 : 144,980.73 = 67,332.75 : x
  2. Step 2: Convert to fraction form
    105,058.50/144,980.73 = 67,332.75/x
  3. Step 3: Cross multiply
    105,058.50x = 144,980.73 × 67,332.75
  4. Step 4: Simplify right side
    105,058.50x = 9,761,951,247.91
  5. Step 5: Solve for x
    x = 9,761,951,247.91/105,058.50
  6. Step 6: Final answer
    x = 92,919.20

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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.