Home / 52,866.50-72,955.26-28,993.10

Finding the Fourth Proportional to 52,866.50, 72,955.26 and 28,993.10

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Solution

The fourth proportional to 52,866.50, 72,955.26 and 28,993.10 is: 40,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,866.50 : 72,955.26 = 28,993.10 : x
  2. Step 2: Convert to fraction form
    52,866.50/72,955.26 = 28,993.10/x
  3. Step 3: Cross multiply
    52,866.50x = 72,955.26 × 28,993.10
  4. Step 4: Simplify right side
    52,866.50x = 2,115,199,148.71
  5. Step 5: Solve for x
    x = 2,115,199,148.71/52,866.50
  6. Step 6: Final answer
    x = 40,010.20

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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.