Home / 77,018.48-106,134.09-58,889.73

Finding the Fourth Proportional to 77,018.48, 106,134.09 and 58,889.73

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Solution

The fourth proportional to 77,018.48, 106,134.09 and 58,889.73 is: 81,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,018.48 : 106,134.09 = 58,889.73 : x
  2. Step 2: Convert to fraction form
    77,018.48/106,134.09 = 58,889.73/x
  3. Step 3: Cross multiply
    77,018.48x = 106,134.09 × 58,889.73
  4. Step 4: Simplify right side
    77,018.48x = 6,250,207,903.90
  5. Step 5: Solve for x
    x = 6,250,207,903.90/77,018.48
  6. Step 6: Final answer
    x = 81,152.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.