Home / 85,064.46-127,570.77-29,647.50

Finding the Fourth Proportional to 85,064.46, 127,570.77 and 29,647.50

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Solution

The fourth proportional to 85,064.46, 127,570.77 and 29,647.50 is: 44,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,064.46 : 127,570.77 = 29,647.50 : x
  2. Step 2: Convert to fraction form
    85,064.46/127,570.77 = 29,647.50/x
  3. Step 3: Cross multiply
    85,064.46x = 127,570.77 × 29,647.50
  4. Step 4: Simplify right side
    85,064.46x = 3,782,154,403.58
  5. Step 5: Solve for x
    x = 3,782,154,403.58/85,064.46
  6. Step 6: Final answer
    x = 44,462.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.