Home / 74,742-103,143.96-41,210.16

Finding the Fourth Proportional to 74,742, 103,143.96 and 41,210.16

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Solution

The fourth proportional to 74,742, 103,143.96 and 41,210.16 is: 56,870.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,742 : 103,143.96 = 41,210.16 : x
  2. Step 2: Convert to fraction form
    74,742/103,143.96 = 41,210.16/x
  3. Step 3: Cross multiply
    74,742x = 103,143.96 × 41,210.16
  4. Step 4: Simplify right side
    74,742x = 4,250,579,094.63
  5. Step 5: Solve for x
    x = 4,250,579,094.63/74,742
  6. Step 6: Final answer
    x = 56,870.02

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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.