Home / 74,341.06-102,591.42-40,349.84

Finding the Fourth Proportional to 74,341.06, 102,591.42 and 40,349.84

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Solution

The fourth proportional to 74,341.06, 102,591.42 and 40,349.84 is: 55,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,341.06 : 102,591.42 = 40,349.84 : x
  2. Step 2: Convert to fraction form
    74,341.06/102,591.42 = 40,349.84/x
  3. Step 3: Cross multiply
    74,341.06x = 102,591.42 × 40,349.84
  4. Step 4: Simplify right side
    74,341.06x = 4,139,547,382.37
  5. Step 5: Solve for x
    x = 4,139,547,382.37/74,341.06
  6. Step 6: Final answer
    x = 55,683.19

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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.