Home / 56,695.89-78,235.56-33,408.63

Finding the Fourth Proportional to 56,695.89, 78,235.56 and 33,408.63

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Solution

The fourth proportional to 56,695.89, 78,235.56 and 33,408.63 is: 46,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695.89 : 78,235.56 = 33,408.63 : x
  2. Step 2: Convert to fraction form
    56,695.89/78,235.56 = 33,408.63/x
  3. Step 3: Cross multiply
    56,695.89x = 78,235.56 × 33,408.63
  4. Step 4: Simplify right side
    56,695.89x = 2,613,742,876.88
  5. Step 5: Solve for x
    x = 2,613,742,876.88/56,695.89
  6. Step 6: Final answer
    x = 46,101.10

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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.