Home / 64,731.33-96,931.71-51,602.85

Finding the Fourth Proportional to 64,731.33, 96,931.71 and 51,602.85

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Solution

The fourth proportional to 64,731.33, 96,931.71 and 51,602.85 is: 77,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,731.33 : 96,931.71 = 51,602.85 : x
  2. Step 2: Convert to fraction form
    64,731.33/96,931.71 = 51,602.85/x
  3. Step 3: Cross multiply
    64,731.33x = 96,931.71 × 51,602.85
  4. Step 4: Simplify right side
    64,731.33x = 5,001,952,491.37
  5. Step 5: Solve for x
    x = 5,001,952,491.37/64,731.33
  6. Step 6: Final answer
    x = 77,272.51

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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.