Home / 115,417.84-173,118.11-40,538.64

Finding the Fourth Proportional to 115,417.84, 173,118.11 and 40,538.64

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Solution

The fourth proportional to 115,417.84, 173,118.11 and 40,538.64 is: 60,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,417.84 : 173,118.11 = 40,538.64 : x
  2. Step 2: Convert to fraction form
    115,417.84/173,118.11 = 40,538.64/x
  3. Step 3: Cross multiply
    115,417.84x = 173,118.11 × 40,538.64
  4. Step 4: Simplify right side
    115,417.84x = 7,017,972,682.96
  5. Step 5: Solve for x
    x = 7,017,972,682.96/115,417.84
  6. Step 6: Final answer
    x = 60,804.92

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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.