Home / 74,338.24-102,561.64-42,484.45

Finding the Fourth Proportional to 74,338.24, 102,561.64 and 42,484.45

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Solution

The fourth proportional to 74,338.24, 102,561.64 and 42,484.45 is: 58,614.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,338.24 : 102,561.64 = 42,484.45 : x
  2. Step 2: Convert to fraction form
    74,338.24/102,561.64 = 42,484.45/x
  3. Step 3: Cross multiply
    74,338.24x = 102,561.64 × 42,484.45
  4. Step 4: Simplify right side
    74,338.24x = 4,357,274,866.50
  5. Step 5: Solve for x
    x = 4,357,274,866.50/74,338.24
  6. Step 6: Final answer
    x = 58,614.18

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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.