Home / 72,240.84-99,705.24-43,565.58

Finding the Fourth Proportional to 72,240.84, 99,705.24 and 43,565.58

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Solution

The fourth proportional to 72,240.84, 99,705.24 and 43,565.58 is: 60,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,240.84 : 99,705.24 = 43,565.58 : x
  2. Step 2: Convert to fraction form
    72,240.84/99,705.24 = 43,565.58/x
  3. Step 3: Cross multiply
    72,240.84x = 99,705.24 × 43,565.58
  4. Step 4: Simplify right side
    72,240.84x = 4,343,716,609.64
  5. Step 5: Solve for x
    x = 4,343,716,609.64/72,240.84
  6. Step 6: Final answer
    x = 60,128.27

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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.