Home / 61,678.08-85,115.77-34,822.32

Finding the Fourth Proportional to 61,678.08, 85,115.77 and 34,822.32

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Solution

The fourth proportional to 61,678.08, 85,115.77 and 34,822.32 is: 48,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,678.08 : 85,115.77 = 34,822.32 : x
  2. Step 2: Convert to fraction form
    61,678.08/85,115.77 = 34,822.32/x
  3. Step 3: Cross multiply
    61,678.08x = 85,115.77 × 34,822.32
  4. Step 4: Simplify right side
    61,678.08x = 2,963,928,367.20
  5. Step 5: Solve for x
    x = 2,963,928,367.20/61,678.08
  6. Step 6: Final answer
    x = 48,054.81

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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.