Home / 77,499.02-115,983.10-53,833.25

Finding the Fourth Proportional to 77,499.02, 115,983.10 and 53,833.25

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Solution

The fourth proportional to 77,499.02, 115,983.10 and 53,833.25 is: 80,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,499.02 : 115,983.10 = 53,833.25 : x
  2. Step 2: Convert to fraction form
    77,499.02/115,983.10 = 53,833.25/x
  3. Step 3: Cross multiply
    77,499.02x = 115,983.10 × 53,833.25
  4. Step 4: Simplify right side
    77,499.02x = 6,243,747,218.08
  5. Step 5: Solve for x
    x = 6,243,747,218.08/77,499.02
  6. Step 6: Final answer
    x = 80,565.50

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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.