Home / 56,233.48-77,595.54-31,078.60

Finding the Fourth Proportional to 56,233.48, 77,595.54 and 31,078.60

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Solution

The fourth proportional to 56,233.48, 77,595.54 and 31,078.60 is: 42,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,233.48 : 77,595.54 = 31,078.60 : x
  2. Step 2: Convert to fraction form
    56,233.48/77,595.54 = 31,078.60/x
  3. Step 3: Cross multiply
    56,233.48x = 77,595.54 × 31,078.60
  4. Step 4: Simplify right side
    56,233.48x = 2,411,560,749.44
  5. Step 5: Solve for x
    x = 2,411,560,749.44/56,233.48
  6. Step 6: Final answer
    x = 42,884.79

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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.