Home / 74,349.56-102,602.66-40,358.10

Finding the Fourth Proportional to 74,349.56, 102,602.66 and 40,358.10

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Solution

The fourth proportional to 74,349.56, 102,602.66 and 40,358.10 is: 55,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,349.56 : 102,602.66 = 40,358.10 : x
  2. Step 2: Convert to fraction form
    74,349.56/102,602.66 = 40,358.10/x
  3. Step 3: Cross multiply
    74,349.56x = 102,602.66 × 40,358.10
  4. Step 4: Simplify right side
    74,349.56x = 4,140,848,210.76
  5. Step 5: Solve for x
    x = 4,140,848,210.76/74,349.56
  6. Step 6: Final answer
    x = 55,694.32

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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.