Home / 91,175.07-125,722.40-59,284.83

Finding the Fourth Proportional to 91,175.07, 125,722.40 and 59,284.83

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Solution

The fourth proportional to 91,175.07, 125,722.40 and 59,284.83 is: 81,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,175.07 : 125,722.40 = 59,284.83 : x
  2. Step 2: Convert to fraction form
    91,175.07/125,722.40 = 59,284.83/x
  3. Step 3: Cross multiply
    91,175.07x = 125,722.40 × 59,284.83
  4. Step 4: Simplify right side
    91,175.07x = 7,453,431,111.19
  5. Step 5: Solve for x
    x = 7,453,431,111.19/91,175.07
  6. Step 6: Final answer
    x = 81,748.56

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1.5x scale

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.