Home / 64,077.48-96,086.94-19,688.76

Finding the Fourth Proportional to 64,077.48, 96,086.94 and 19,688.76

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Solution

The fourth proportional to 64,077.48, 96,086.94 and 19,688.76 is: 29,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,077.48 : 96,086.94 = 19,688.76 : x
  2. Step 2: Convert to fraction form
    64,077.48/96,086.94 = 19,688.76/x
  3. Step 3: Cross multiply
    64,077.48x = 96,086.94 × 19,688.76
  4. Step 4: Simplify right side
    64,077.48x = 1,891,832,700.79
  5. Step 5: Solve for x
    x = 1,891,832,700.79/64,077.48
  6. Step 6: Final answer
    x = 29,524.14

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1.5x scale

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.