Home / 91,050.64-136,575.97-28,726

Finding the Fourth Proportional to 91,050.64, 136,575.97 and 28,726

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Solution

The fourth proportional to 91,050.64, 136,575.97 and 28,726 is: 43,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,050.64 : 136,575.97 = 28,726 : x
  2. Step 2: Convert to fraction form
    91,050.64/136,575.97 = 28,726/x
  3. Step 3: Cross multiply
    91,050.64x = 136,575.97 × 28,726
  4. Step 4: Simplify right side
    91,050.64x = 3,923,281,314.22
  5. Step 5: Solve for x
    x = 3,923,281,314.22/91,050.64
  6. Step 6: Final answer
    x = 43,089.00

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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.