Home / 61,857.39-85,363.20-34,999.32

Finding the Fourth Proportional to 61,857.39, 85,363.20 and 34,999.32

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Solution

The fourth proportional to 61,857.39, 85,363.20 and 34,999.32 is: 48,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,857.39 : 85,363.20 = 34,999.32 : x
  2. Step 2: Convert to fraction form
    61,857.39/85,363.20 = 34,999.32/x
  3. Step 3: Cross multiply
    61,857.39x = 85,363.20 × 34,999.32
  4. Step 4: Simplify right side
    61,857.39x = 2,987,653,953.02
  5. Step 5: Solve for x
    x = 2,987,653,953.02/61,857.39
  6. Step 6: Final answer
    x = 48,299.06

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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.