Home / 85,600.16-128,455.14-46,184.66

Finding the Fourth Proportional to 85,600.16, 128,455.14 and 46,184.66

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Solution

The fourth proportional to 85,600.16, 128,455.14 and 46,184.66 is: 69,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,600.16 : 128,455.14 = 46,184.66 : x
  2. Step 2: Convert to fraction form
    85,600.16/128,455.14 = 46,184.66/x
  3. Step 3: Cross multiply
    85,600.16x = 128,455.14 × 46,184.66
  4. Step 4: Simplify right side
    85,600.16x = 5,932,656,966.15
  5. Step 5: Solve for x
    x = 5,932,656,966.15/85,600.16
  6. Step 6: Final answer
    x = 69,306.61

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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.