Home / 74,086.95-102,239.79-40,095.51

Finding the Fourth Proportional to 74,086.95, 102,239.79 and 40,095.51

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Solution

The fourth proportional to 74,086.95, 102,239.79 and 40,095.51 is: 55,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,086.95 : 102,239.79 = 40,095.51 : x
  2. Step 2: Convert to fraction form
    74,086.95/102,239.79 = 40,095.51/x
  3. Step 3: Cross multiply
    74,086.95x = 102,239.79 × 40,095.51
  4. Step 4: Simplify right side
    74,086.95x = 4,099,356,522.34
  5. Step 5: Solve for x
    x = 4,099,356,522.34/74,086.95
  6. Step 6: Final answer
    x = 55,331.70

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1.5x scale

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.