Home / 63,275.24-94,880.50-21,140.12

Finding the Fourth Proportional to 63,275.24, 94,880.50 and 21,140.12

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Solution

The fourth proportional to 63,275.24, 94,880.50 and 21,140.12 is: 31,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,275.24 : 94,880.50 = 21,140.12 : x
  2. Step 2: Convert to fraction form
    63,275.24/94,880.50 = 21,140.12/x
  3. Step 3: Cross multiply
    63,275.24x = 94,880.50 × 21,140.12
  4. Step 4: Simplify right side
    63,275.24x = 2,005,784,628.41
  5. Step 5: Solve for x
    x = 2,005,784,628.41/63,275.24
  6. Step 6: Final answer
    x = 31,699.36

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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.