Home / 91,600.44-137,197.64-70,384.31

Finding the Fourth Proportional to 91,600.44, 137,197.64 and 70,384.31

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Solution

The fourth proportional to 91,600.44, 137,197.64 and 70,384.31 is: 105,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,600.44 : 137,197.64 = 70,384.31 : x
  2. Step 2: Convert to fraction form
    91,600.44/137,197.64 = 70,384.31/x
  3. Step 3: Cross multiply
    91,600.44x = 137,197.64 × 70,384.31
  4. Step 4: Simplify right side
    91,600.44x = 9,656,561,225.03
  5. Step 5: Solve for x
    x = 9,656,561,225.03/91,600.44
  6. Step 6: Final answer
    x = 105,420.47

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1.5x scale

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.