Home / 105,334.02-145,360.94-57,587.36

Finding the Fourth Proportional to 105,334.02, 145,360.94 and 57,587.36

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Solution

The fourth proportional to 105,334.02, 145,360.94 and 57,587.36 is: 79,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,334.02 : 145,360.94 = 57,587.36 : x
  2. Step 2: Convert to fraction form
    105,334.02/145,360.94 = 57,587.36/x
  3. Step 3: Cross multiply
    105,334.02x = 145,360.94 × 57,587.36
  4. Step 4: Simplify right side
    105,334.02x = 8,370,952,781.72
  5. Step 5: Solve for x
    x = 8,370,952,781.72/105,334.02
  6. Step 6: Final answer
    x = 79,470.55

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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.