Home / 56,647.26-78,173.01-31,496.76

Finding the Fourth Proportional to 56,647.26, 78,173.01 and 31,496.76

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Solution

The fourth proportional to 56,647.26, 78,173.01 and 31,496.76 is: 43,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,647.26 : 78,173.01 = 31,496.76 : x
  2. Step 2: Convert to fraction form
    56,647.26/78,173.01 = 31,496.76/x
  3. Step 3: Cross multiply
    56,647.26x = 78,173.01 × 31,496.76
  4. Step 4: Simplify right side
    56,647.26x = 2,462,196,534.45
  5. Step 5: Solve for x
    x = 2,462,196,534.45/56,647.26
  6. Step 6: Final answer
    x = 43,465.41

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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.