Home / 91,993.41-137,715.08-56,342.48

Finding the Fourth Proportional to 91,993.41, 137,715.08 and 56,342.48

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Solution

The fourth proportional to 91,993.41, 137,715.08 and 56,342.48 is: 84,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,993.41 : 137,715.08 = 56,342.48 : x
  2. Step 2: Convert to fraction form
    91,993.41/137,715.08 = 56,342.48/x
  3. Step 3: Cross multiply
    91,993.41x = 137,715.08 × 56,342.48
  4. Step 4: Simplify right side
    91,993.41x = 7,759,208,170.31
  5. Step 5: Solve for x
    x = 7,759,208,170.31/91,993.41
  6. Step 6: Final answer
    x = 84,345.26

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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.