Home / 91,776.48-137,442.42-46,679.22

Finding the Fourth Proportional to 91,776.48, 137,442.42 and 46,679.22

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Solution

The fourth proportional to 91,776.48, 137,442.42 and 46,679.22 is: 69,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,776.48 : 137,442.42 = 46,679.22 : x
  2. Step 2: Convert to fraction form
    91,776.48/137,442.42 = 46,679.22/x
  3. Step 3: Cross multiply
    91,776.48x = 137,442.42 × 46,679.22
  4. Step 4: Simplify right side
    91,776.48x = 6,415,704,960.51
  5. Step 5: Solve for x
    x = 6,415,704,960.51/91,776.48
  6. Step 6: Final answer
    x = 69,905.76

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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.