Home / 77,254.14-106,612.32-47,040.72

Finding the Fourth Proportional to 77,254.14, 106,612.32 and 47,040.72

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Solution

The fourth proportional to 77,254.14, 106,612.32 and 47,040.72 is: 64,917.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,254.14 : 106,612.32 = 47,040.72 : x
  2. Step 2: Convert to fraction form
    77,254.14/106,612.32 = 47,040.72/x
  3. Step 3: Cross multiply
    77,254.14x = 106,612.32 × 47,040.72
  4. Step 4: Simplify right side
    77,254.14x = 5,015,120,293.67
  5. Step 5: Solve for x
    x = 5,015,120,293.67/77,254.14
  6. Step 6: Final answer
    x = 64,917.17

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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.