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Finding the Fourth Proportional to 64,123.80, 96,187.37 and 30,381.93

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Solution

The fourth proportional to 64,123.80, 96,187.37 and 30,381.93 is: 45,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123.80 : 96,187.37 = 30,381.93 : x
  2. Step 2: Convert to fraction form
    64,123.80/96,187.37 = 30,381.93/x
  3. Step 3: Cross multiply
    64,123.80x = 96,187.37 × 30,381.93
  4. Step 4: Simplify right side
    64,123.80x = 2,922,357,790.31
  5. Step 5: Solve for x
    x = 2,922,357,790.31/64,123.80
  6. Step 6: Final answer
    x = 45,573.68

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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.