Home / 74,340.17-102,586.69-40,347.93

Finding the Fourth Proportional to 74,340.17, 102,586.69 and 40,347.93

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Solution

The fourth proportional to 74,340.17, 102,586.69 and 40,347.93 is: 55,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,340.17 : 102,586.69 = 40,347.93 : x
  2. Step 2: Convert to fraction form
    74,340.17/102,586.69 = 40,347.93/x
  3. Step 3: Cross multiply
    74,340.17x = 102,586.69 × 40,347.93
  4. Step 4: Simplify right side
    74,340.17x = 4,139,160,188.82
  5. Step 5: Solve for x
    x = 4,139,160,188.82/74,340.17
  6. Step 6: Final answer
    x = 55,678.65

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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.