Home / 72,726.04-100,366.05-48,485.17

Finding the Fourth Proportional to 72,726.04, 100,366.05 and 48,485.17

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Solution

The fourth proportional to 72,726.04, 100,366.05 and 48,485.17 is: 66,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,726.04 : 100,366.05 = 48,485.17 : x
  2. Step 2: Convert to fraction form
    72,726.04/100,366.05 = 48,485.17/x
  3. Step 3: Cross multiply
    72,726.04x = 100,366.05 × 48,485.17
  4. Step 4: Simplify right side
    72,726.04x = 4,866,264,996.48
  5. Step 5: Solve for x
    x = 4,866,264,996.48/72,726.04
  6. Step 6: Final answer
    x = 66,912.28

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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.