Home / 55,665.17-83,192.13-40,703.80

Finding the Fourth Proportional to 55,665.17, 83,192.13 and 40,703.80

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Solution

The fourth proportional to 55,665.17, 83,192.13 and 40,703.80 is: 60,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665.17 : 83,192.13 = 40,703.80 : x
  2. Step 2: Convert to fraction form
    55,665.17/83,192.13 = 40,703.80/x
  3. Step 3: Cross multiply
    55,665.17x = 83,192.13 × 40,703.80
  4. Step 4: Simplify right side
    55,665.17x = 3,386,235,821.09
  5. Step 5: Solve for x
    x = 3,386,235,821.09/55,665.17
  6. Step 6: Final answer
    x = 60,832.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.