Home / 74,340.54-102,590.03-40,349.03

Finding the Fourth Proportional to 74,340.54, 102,590.03 and 40,349.03

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Solution

The fourth proportional to 74,340.54, 102,590.03 and 40,349.03 is: 55,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,340.54 : 102,590.03 = 40,349.03 : x
  2. Step 2: Convert to fraction form
    74,340.54/102,590.03 = 40,349.03/x
  3. Step 3: Cross multiply
    74,340.54x = 102,590.03 × 40,349.03
  4. Step 4: Simplify right side
    74,340.54x = 4,139,407,483.48
  5. Step 5: Solve for x
    x = 4,139,407,483.48/74,340.54
  6. Step 6: Final answer
    x = 55,681.70

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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.