Home / 63,665.10-87,756.75-50,214.47

Finding the Fourth Proportional to 63,665.10, 87,756.75 and 50,214.47

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Solution

The fourth proportional to 63,665.10, 87,756.75 and 50,214.47 is: 69,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,665.10 : 87,756.75 = 50,214.47 : x
  2. Step 2: Convert to fraction form
    63,665.10/87,756.75 = 50,214.47/x
  3. Step 3: Cross multiply
    63,665.10x = 87,756.75 × 50,214.47
  4. Step 4: Simplify right side
    63,665.10x = 4,406,658,251.39
  5. Step 5: Solve for x
    x = 4,406,658,251.39/63,665.10
  6. Step 6: Final answer
    x = 69,216.23

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1.5x scale

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.