Home / 72,477.14-100,019.47-43,792.82

Finding the Fourth Proportional to 72,477.14, 100,019.47 and 43,792.82

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Solution

The fourth proportional to 72,477.14, 100,019.47 and 43,792.82 is: 60,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,477.14 : 100,019.47 = 43,792.82 : x
  2. Step 2: Convert to fraction form
    72,477.14/100,019.47 = 43,792.82/x
  3. Step 3: Cross multiply
    72,477.14x = 100,019.47 × 43,792.82
  4. Step 4: Simplify right side
    72,477.14x = 4,380,134,646.21
  5. Step 5: Solve for x
    x = 4,380,134,646.21/72,477.14
  6. Step 6: Final answer
    x = 60,434.71

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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.