Home / 72,447.65-99,890.89-46,944.70

Finding the Fourth Proportional to 72,447.65, 99,890.89 and 46,944.70

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Solution

The fourth proportional to 72,447.65, 99,890.89 and 46,944.70 is: 64,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,447.65 : 99,890.89 = 46,944.70 : x
  2. Step 2: Convert to fraction form
    72,447.65/99,890.89 = 46,944.70/x
  3. Step 3: Cross multiply
    72,447.65x = 99,890.89 × 46,944.70
  4. Step 4: Simplify right side
    72,447.65x = 4,689,347,496.69
  5. Step 5: Solve for x
    x = 4,689,347,496.69/72,447.65
  6. Step 6: Final answer
    x = 64,727.39

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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.