Home / 64,308.48-96,478.50-51,940.58

Finding the Fourth Proportional to 64,308.48, 96,478.50 and 51,940.58

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Solution

The fourth proportional to 64,308.48, 96,478.50 and 51,940.58 is: 77,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,308.48 : 96,478.50 = 51,940.58 : x
  2. Step 2: Convert to fraction form
    64,308.48/96,478.50 = 51,940.58/x
  3. Step 3: Cross multiply
    64,308.48x = 96,478.50 × 51,940.58
  4. Step 4: Simplify right side
    64,308.48x = 5,011,149,247.53
  5. Step 5: Solve for x
    x = 5,011,149,247.53/64,308.48
  6. Step 6: Final answer
    x = 77,923.62

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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.