Home / 61,808.22-85,107.24-56,108.34

Finding the Fourth Proportional to 61,808.22, 85,107.24 and 56,108.34

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Solution

The fourth proportional to 61,808.22, 85,107.24 and 56,108.34 is: 77,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,808.22 : 85,107.24 = 56,108.34 : x
  2. Step 2: Convert to fraction form
    61,808.22/85,107.24 = 56,108.34/x
  3. Step 3: Cross multiply
    61,808.22x = 85,107.24 × 56,108.34
  4. Step 4: Simplify right side
    61,808.22x = 4,775,225,958.38
  5. Step 5: Solve for x
    x = 4,775,225,958.38/61,808.22
  6. Step 6: Final answer
    x = 77,258.75

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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.