Home / 61,663.32-85,000.32-50,312.79

Finding the Fourth Proportional to 61,663.32, 85,000.32 and 50,312.79

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Solution

The fourth proportional to 61,663.32, 85,000.32 and 50,312.79 is: 69,354.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.32 : 85,000.32 = 50,312.79 : x
  2. Step 2: Convert to fraction form
    61,663.32/85,000.32 = 50,312.79/x
  3. Step 3: Cross multiply
    61,663.32x = 85,000.32 × 50,312.79
  4. Step 4: Simplify right side
    61,663.32x = 4,276,603,250.09
  5. Step 5: Solve for x
    x = 4,276,603,250.09/61,663.32
  6. Step 6: Final answer
    x = 69,354.09

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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.