Home / 77,259.18-115,888.77-49,732.14

Finding the Fourth Proportional to 77,259.18, 115,888.77 and 49,732.14

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Solution

The fourth proportional to 77,259.18, 115,888.77 and 49,732.14 is: 74,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,259.18 : 115,888.77 = 49,732.14 : x
  2. Step 2: Convert to fraction form
    77,259.18/115,888.77 = 49,732.14/x
  3. Step 3: Cross multiply
    77,259.18x = 115,888.77 × 49,732.14
  4. Step 4: Simplify right side
    77,259.18x = 5,763,396,534.07
  5. Step 5: Solve for x
    x = 5,763,396,534.07/77,259.18
  6. Step 6: Final answer
    x = 74,598.21

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1.5x scale

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.