Home / 75,284.07-112,728.83-52,976.67

Finding the Fourth Proportional to 75,284.07, 112,728.83 and 52,976.67

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Solution

The fourth proportional to 75,284.07, 112,728.83 and 52,976.67 is: 79,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,284.07 : 112,728.83 = 52,976.67 : x
  2. Step 2: Convert to fraction form
    75,284.07/112,728.83 = 52,976.67/x
  3. Step 3: Cross multiply
    75,284.07x = 112,728.83 × 52,976.67
  4. Step 4: Simplify right side
    75,284.07x = 5,971,997,761.51
  5. Step 5: Solve for x
    x = 5,971,997,761.51/75,284.07
  6. Step 6: Final answer
    x = 79,326.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.