Home / 77,216.90-115,825.35-59,699.30

Finding the Fourth Proportional to 77,216.90, 115,825.35 and 59,699.30

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Solution

The fourth proportional to 77,216.90, 115,825.35 and 59,699.30 is: 89,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,216.90 : 115,825.35 = 59,699.30 : x
  2. Step 2: Convert to fraction form
    77,216.90/115,825.35 = 59,699.30/x
  3. Step 3: Cross multiply
    77,216.90x = 115,825.35 × 59,699.30
  4. Step 4: Simplify right side
    77,216.90x = 6,914,692,317.26
  5. Step 5: Solve for x
    x = 6,914,692,317.26/77,216.90
  6. Step 6: Final answer
    x = 89,548.95

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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.