Home / 64,007.08-96,135.18-52,169.60

Finding the Fourth Proportional to 64,007.08, 96,135.18 and 52,169.60

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Solution

The fourth proportional to 64,007.08, 96,135.18 and 52,169.60 is: 78,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,007.08 : 96,135.18 = 52,169.60 : x
  2. Step 2: Convert to fraction form
    64,007.08/96,135.18 = 52,169.60/x
  3. Step 3: Cross multiply
    64,007.08x = 96,135.18 × 52,169.60
  4. Step 4: Simplify right side
    64,007.08x = 5,015,333,886.53
  5. Step 5: Solve for x
    x = 5,015,333,886.53/64,007.08
  6. Step 6: Final answer
    x = 78,355.92

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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.