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Finding the Fourth Proportional to 64,027.16, 88,357.81 and 35,346.31

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Solution

The fourth proportional to 64,027.16, 88,357.81 and 35,346.31 is: 48,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,027.16 : 88,357.81 = 35,346.31 : x
  2. Step 2: Convert to fraction form
    64,027.16/88,357.81 = 35,346.31/x
  3. Step 3: Cross multiply
    64,027.16x = 88,357.81 × 35,346.31
  4. Step 4: Simplify right side
    64,027.16x = 3,123,122,543.18
  5. Step 5: Solve for x
    x = 3,123,122,543.18/64,027.16
  6. Step 6: Final answer
    x = 48,778.09

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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.