Home / 91,820.64-126,725.72-50,994.08

Finding the Fourth Proportional to 91,820.64, 126,725.72 and 50,994.08

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Solution

The fourth proportional to 91,820.64, 126,725.72 and 50,994.08 is: 70,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,820.64 : 126,725.72 = 50,994.08 : x
  2. Step 2: Convert to fraction form
    91,820.64/126,725.72 = 50,994.08/x
  3. Step 3: Cross multiply
    91,820.64x = 126,725.72 × 50,994.08
  4. Step 4: Simplify right side
    91,820.64x = 6,462,261,503.74
  5. Step 5: Solve for x
    x = 6,462,261,503.74/91,820.64
  6. Step 6: Final answer
    x = 70,379.18

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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.