Home / 74,206.62-102,407.76-53,036.46

Finding the Fourth Proportional to 74,206.62, 102,407.76 and 53,036.46

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Solution

The fourth proportional to 74,206.62, 102,407.76 and 53,036.46 is: 73,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,206.62 : 102,407.76 = 53,036.46 : x
  2. Step 2: Convert to fraction form
    74,206.62/102,407.76 = 53,036.46/x
  3. Step 3: Cross multiply
    74,206.62x = 102,407.76 × 53,036.46
  4. Step 4: Simplify right side
    74,206.62x = 5,431,345,066.93
  5. Step 5: Solve for x
    x = 5,431,345,066.93/74,206.62
  6. Step 6: Final answer
    x = 73,192.19

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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.