Home / 74,351.41-102,602.16-40,359.17

Finding the Fourth Proportional to 74,351.41, 102,602.16 and 40,359.17

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Solution

The fourth proportional to 74,351.41, 102,602.16 and 40,359.17 is: 55,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,351.41 : 102,602.16 = 40,359.17 : x
  2. Step 2: Convert to fraction form
    74,351.41/102,602.16 = 40,359.17/x
  3. Step 3: Cross multiply
    74,351.41x = 102,602.16 × 40,359.17
  4. Step 4: Simplify right side
    74,351.41x = 4,140,938,017.81
  5. Step 5: Solve for x
    x = 4,140,938,017.81/74,351.41
  6. Step 6: Final answer
    x = 55,694.14

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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.