Home / 72,190.38-99,557.85-46,669.84

Finding the Fourth Proportional to 72,190.38, 99,557.85 and 46,669.84

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Solution

The fourth proportional to 72,190.38, 99,557.85 and 46,669.84 is: 64,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,190.38 : 99,557.85 = 46,669.84 : x
  2. Step 2: Convert to fraction form
    72,190.38/99,557.85 = 46,669.84/x
  3. Step 3: Cross multiply
    72,190.38x = 99,557.85 × 46,669.84
  4. Step 4: Simplify right side
    72,190.38x = 4,646,348,930.24
  5. Step 5: Solve for x
    x = 4,646,348,930.24/72,190.38
  6. Step 6: Final answer
    x = 64,362.44

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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.