Home / 91,813.33-137,588.77-52,288.77

Finding the Fourth Proportional to 91,813.33, 137,588.77 and 52,288.77

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Solution

The fourth proportional to 91,813.33, 137,588.77 and 52,288.77 is: 78,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,813.33 : 137,588.77 = 52,288.77 : x
  2. Step 2: Convert to fraction form
    91,813.33/137,588.77 = 52,288.77/x
  3. Step 3: Cross multiply
    91,813.33x = 137,588.77 × 52,288.77
  4. Step 4: Simplify right side
    91,813.33x = 7,194,347,549.11
  5. Step 5: Solve for x
    x = 7,194,347,549.11/91,813.33
  6. Step 6: Final answer
    x = 78,358.42

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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.