Home / 92,994.24-128,360.16-63,203.52

Finding the Fourth Proportional to 92,994.24, 128,360.16 and 63,203.52

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Solution

The fourth proportional to 92,994.24, 128,360.16 and 63,203.52 is: 87,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,994.24 : 128,360.16 = 63,203.52 : x
  2. Step 2: Convert to fraction form
    92,994.24/128,360.16 = 63,203.52/x
  3. Step 3: Cross multiply
    92,994.24x = 128,360.16 × 63,203.52
  4. Step 4: Simplify right side
    92,994.24x = 8,112,813,939.76
  5. Step 5: Solve for x
    x = 8,112,813,939.76/92,994.24
  6. Step 6: Final answer
    x = 87,239.96

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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.