Home / 105,572.36-145,649.31-60,252.86

Finding the Fourth Proportional to 105,572.36, 145,649.31 and 60,252.86

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Solution

The fourth proportional to 105,572.36, 145,649.31 and 60,252.86 is: 83,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,572.36 : 145,649.31 = 60,252.86 : x
  2. Step 2: Convert to fraction form
    105,572.36/145,649.31 = 60,252.86/x
  3. Step 3: Cross multiply
    105,572.36x = 145,649.31 × 60,252.86
  4. Step 4: Simplify right side
    105,572.36x = 8,775,786,756.28
  5. Step 5: Solve for x
    x = 8,775,786,756.28/105,572.36
  6. Step 6: Final answer
    x = 83,125.80

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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.