Home / 71,986.56-99,296.48-46,483.20

Finding the Fourth Proportional to 71,986.56, 99,296.48 and 46,483.20

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Solution

The fourth proportional to 71,986.56, 99,296.48 and 46,483.20 is: 64,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,986.56 : 99,296.48 = 46,483.20 : x
  2. Step 2: Convert to fraction form
    71,986.56/99,296.48 = 46,483.20/x
  3. Step 3: Cross multiply
    71,986.56x = 99,296.48 × 46,483.20
  4. Step 4: Simplify right side
    71,986.56x = 4,615,618,139.14
  5. Step 5: Solve for x
    x = 4,615,618,139.14/71,986.56
  6. Step 6: Final answer
    x = 64,117.78

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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.