Home / 74,061.29-102,204.47-40,069.67

Finding the Fourth Proportional to 74,061.29, 102,204.47 and 40,069.67

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Solution

The fourth proportional to 74,061.29, 102,204.47 and 40,069.67 is: 55,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,061.29 : 102,204.47 = 40,069.67 : x
  2. Step 2: Convert to fraction form
    74,061.29/102,204.47 = 40,069.67/x
  3. Step 3: Cross multiply
    74,061.29x = 102,204.47 × 40,069.67
  4. Step 4: Simplify right side
    74,061.29x = 4,095,298,974.58
  5. Step 5: Solve for x
    x = 4,095,298,974.58/74,061.29
  6. Step 6: Final answer
    x = 55,296.08

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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.