Home / 72,255.26-99,718.16-41,637.87

Finding the Fourth Proportional to 72,255.26, 99,718.16 and 41,637.87

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Solution

The fourth proportional to 72,255.26, 99,718.16 and 41,637.87 is: 57,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,255.26 : 99,718.16 = 41,637.87 : x
  2. Step 2: Convert to fraction form
    72,255.26/99,718.16 = 41,637.87/x
  3. Step 3: Cross multiply
    72,255.26x = 99,718.16 × 41,637.87
  4. Step 4: Simplify right side
    72,255.26x = 4,152,051,574.53
  5. Step 5: Solve for x
    x = 4,152,051,574.53/72,255.26
  6. Step 6: Final answer
    x = 57,463.66

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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.