Home / 74,224.69-102,436.56-40,697.17

Finding the Fourth Proportional to 74,224.69, 102,436.56 and 40,697.17

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Solution

The fourth proportional to 74,224.69, 102,436.56 and 40,697.17 is: 56,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,224.69 : 102,436.56 = 40,697.17 : x
  2. Step 2: Convert to fraction form
    74,224.69/102,436.56 = 40,697.17/x
  3. Step 3: Cross multiply
    74,224.69x = 102,436.56 × 40,697.17
  4. Step 4: Simplify right side
    74,224.69x = 4,168,877,840.44
  5. Step 5: Solve for x
    x = 4,168,877,840.44/74,224.69
  6. Step 6: Final answer
    x = 56,165.65

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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.