Home / 77,260.12-115,965.06-37,307.26

Finding the Fourth Proportional to 77,260.12, 115,965.06 and 37,307.26

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Solution

The fourth proportional to 77,260.12, 115,965.06 and 37,307.26 is: 55,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,260.12 : 115,965.06 = 37,307.26 : x
  2. Step 2: Convert to fraction form
    77,260.12/115,965.06 = 37,307.26/x
  3. Step 3: Cross multiply
    77,260.12x = 115,965.06 × 37,307.26
  4. Step 4: Simplify right side
    77,260.12x = 4,326,338,644.34
  5. Step 5: Solve for x
    x = 4,326,338,644.34/77,260.12
  6. Step 6: Final answer
    x = 55,997.05

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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.