Home / 56,695.95-78,241.14-31,205.25

Finding the Fourth Proportional to 56,695.95, 78,241.14 and 31,205.25

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Solution

The fourth proportional to 56,695.95, 78,241.14 and 31,205.25 is: 43,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695.95 : 78,241.14 = 31,205.25 : x
  2. Step 2: Convert to fraction form
    56,695.95/78,241.14 = 31,205.25/x
  3. Step 3: Cross multiply
    56,695.95x = 78,241.14 × 31,205.25
  4. Step 4: Simplify right side
    56,695.95x = 2,441,534,333.99
  5. Step 5: Solve for x
    x = 2,441,534,333.99/56,695.95
  6. Step 6: Final answer
    x = 43,063.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.