Home / 52,770.69-72,823.75-28,897.16

Finding the Fourth Proportional to 52,770.69, 72,823.75 and 28,897.16

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Solution

The fourth proportional to 52,770.69, 72,823.75 and 28,897.16 is: 39,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,770.69 : 72,823.75 = 28,897.16 : x
  2. Step 2: Convert to fraction form
    52,770.69/72,823.75 = 28,897.16/x
  3. Step 3: Cross multiply
    52,770.69x = 72,823.75 × 28,897.16
  4. Step 4: Simplify right side
    52,770.69x = 2,104,399,119.19
  5. Step 5: Solve for x
    x = 2,104,399,119.19/52,770.69
  6. Step 6: Final answer
    x = 39,878.18

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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.