Home / 105,791.04-145,996.20-63,341.46

Finding the Fourth Proportional to 105,791.04, 145,996.20 and 63,341.46

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Solution

The fourth proportional to 105,791.04, 145,996.20 and 63,341.46 is: 87,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,791.04 : 145,996.20 = 63,341.46 : x
  2. Step 2: Convert to fraction form
    105,791.04/145,996.20 = 63,341.46/x
  3. Step 3: Cross multiply
    105,791.04x = 145,996.20 × 63,341.46
  4. Step 4: Simplify right side
    105,791.04x = 9,247,612,462.45
  5. Step 5: Solve for x
    x = 9,247,612,462.45/105,791.04
  6. Step 6: Final answer
    x = 87,413.95

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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.