Home / 42,468.29-63,703.88-11,303.57

Finding the Fourth Proportional to 42,468.29, 63,703.88 and 11,303.57

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Solution

The fourth proportional to 42,468.29, 63,703.88 and 11,303.57 is: 16,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,468.29 : 63,703.88 = 11,303.57 : x
  2. Step 2: Convert to fraction form
    42,468.29/63,703.88 = 11,303.57/x
  3. Step 3: Cross multiply
    42,468.29x = 63,703.88 × 11,303.57
  4. Step 4: Simplify right side
    42,468.29x = 720,080,891.81
  5. Step 5: Solve for x
    x = 720,080,891.81/42,468.29
  6. Step 6: Final answer
    x = 16,955.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.