Home / 77,269.20-115,810.20-32,802.60

Finding the Fourth Proportional to 77,269.20, 115,810.20 and 32,802.60

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Solution

The fourth proportional to 77,269.20, 115,810.20 and 32,802.60 is: 49,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,269.20 : 115,810.20 = 32,802.60 : x
  2. Step 2: Convert to fraction form
    77,269.20/115,810.20 = 32,802.60/x
  3. Step 3: Cross multiply
    77,269.20x = 115,810.20 × 32,802.60
  4. Step 4: Simplify right side
    77,269.20x = 3,798,875,666.52
  5. Step 5: Solve for x
    x = 3,798,875,666.52/77,269.20
  6. Step 6: Final answer
    x = 49,164.16

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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.