Home / 64,140.72-88,514.40-37,283.76

Finding the Fourth Proportional to 64,140.72, 88,514.40 and 37,283.76

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Solution

The fourth proportional to 64,140.72, 88,514.40 and 37,283.76 is: 51,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,140.72 : 88,514.40 = 37,283.76 : x
  2. Step 2: Convert to fraction form
    64,140.72/88,514.40 = 37,283.76/x
  3. Step 3: Cross multiply
    64,140.72x = 88,514.40 × 37,283.76
  4. Step 4: Simplify right side
    64,140.72x = 3,300,149,646.14
  5. Step 5: Solve for x
    x = 3,300,149,646.14/64,140.72
  6. Step 6: Final answer
    x = 51,451.71

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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.