Home / 91,283.42-136,923.65-35,135.72

Finding the Fourth Proportional to 91,283.42, 136,923.65 and 35,135.72

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Solution

The fourth proportional to 91,283.42, 136,923.65 and 35,135.72 is: 52,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,283.42 : 136,923.65 = 35,135.72 : x
  2. Step 2: Convert to fraction form
    91,283.42/136,923.65 = 35,135.72/x
  3. Step 3: Cross multiply
    91,283.42x = 136,923.65 × 35,135.72
  4. Step 4: Simplify right side
    91,283.42x = 4,810,911,027.78
  5. Step 5: Solve for x
    x = 4,810,911,027.78/91,283.42
  6. Step 6: Final answer
    x = 52,703.01

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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.