Home / 67,574.21-93,236.95-40,345.01

Finding the Fourth Proportional to 67,574.21, 93,236.95 and 40,345.01

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Solution

The fourth proportional to 67,574.21, 93,236.95 and 40,345.01 is: 55,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,574.21 : 93,236.95 = 40,345.01 : x
  2. Step 2: Convert to fraction form
    67,574.21/93,236.95 = 40,345.01/x
  3. Step 3: Cross multiply
    67,574.21x = 93,236.95 × 40,345.01
  4. Step 4: Simplify right side
    67,574.21x = 3,761,645,680.12
  5. Step 5: Solve for x
    x = 3,761,645,680.12/67,574.21
  6. Step 6: Final answer
    x = 55,666.88

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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.