Home / 74,473.32-102,775.16-40,484.10

Finding the Fourth Proportional to 74,473.32, 102,775.16 and 40,484.10

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Solution

The fourth proportional to 74,473.32, 102,775.16 and 40,484.10 is: 55,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,473.32 : 102,775.16 = 40,484.10 : x
  2. Step 2: Convert to fraction form
    74,473.32/102,775.16 = 40,484.10/x
  3. Step 3: Cross multiply
    74,473.32x = 102,775.16 × 40,484.10
  4. Step 4: Simplify right side
    74,473.32x = 4,160,760,341.57
  5. Step 5: Solve for x
    x = 4,160,760,341.57/74,473.32
  6. Step 6: Final answer
    x = 55,869.14

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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.