Home / 105,050.45-157,444.28-52,474.61

Finding the Fourth Proportional to 105,050.45, 157,444.28 and 52,474.61

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Solution

The fourth proportional to 105,050.45, 157,444.28 and 52,474.61 is: 78,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,050.45 : 157,444.28 = 52,474.61 : x
  2. Step 2: Convert to fraction form
    105,050.45/157,444.28 = 52,474.61/x
  3. Step 3: Cross multiply
    105,050.45x = 157,444.28 × 52,474.61
  4. Step 4: Simplify right side
    105,050.45x = 8,261,826,927.36
  5. Step 5: Solve for x
    x = 8,261,826,927.36/105,050.45
  6. Step 6: Final answer
    x = 78,646.28

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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.