Home / 72,189.38-99,556.47-46,668.84

Finding the Fourth Proportional to 72,189.38, 99,556.47 and 46,668.84

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Solution

The fourth proportional to 72,189.38, 99,556.47 and 46,668.84 is: 64,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,189.38 : 99,556.47 = 46,668.84 : x
  2. Step 2: Convert to fraction form
    72,189.38/99,556.47 = 46,668.84/x
  3. Step 3: Cross multiply
    72,189.38x = 99,556.47 × 46,668.84
  4. Step 4: Simplify right side
    72,189.38x = 4,646,184,969.39
  5. Step 5: Solve for x
    x = 4,646,184,969.39/72,189.38
  6. Step 6: Final answer
    x = 64,361.06

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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.