Home / 105,571.86-145,648.63-60,252.36

Finding the Fourth Proportional to 105,571.86, 145,648.63 and 60,252.36

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Solution

The fourth proportional to 105,571.86, 145,648.63 and 60,252.36 is: 83,125.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,571.86 : 145,648.63 = 60,252.36 : x
  2. Step 2: Convert to fraction form
    105,571.86/145,648.63 = 60,252.36/x
  3. Step 3: Cross multiply
    105,571.86x = 145,648.63 × 60,252.36
  4. Step 4: Simplify right side
    105,571.86x = 8,775,673,688.27
  5. Step 5: Solve for x
    x = 8,775,673,688.27/105,571.86
  6. Step 6: Final answer
    x = 83,125.12

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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.