Home / 105,987.41-146,263.79-58,240.77

Finding the Fourth Proportional to 105,987.41, 146,263.79 and 58,240.77

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Solution

The fourth proportional to 105,987.41, 146,263.79 and 58,240.77 is: 80,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,987.41 : 146,263.79 = 58,240.77 : x
  2. Step 2: Convert to fraction form
    105,987.41/146,263.79 = 58,240.77/x
  3. Step 3: Cross multiply
    105,987.41x = 146,263.79 × 58,240.77
  4. Step 4: Simplify right side
    105,987.41x = 8,518,515,752.72
  5. Step 5: Solve for x
    x = 8,518,515,752.72/105,987.41
  6. Step 6: Final answer
    x = 80,372.90

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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.