Home / 81,254.57-112,108.01-46,792.92

Finding the Fourth Proportional to 81,254.57, 112,108.01 and 46,792.92

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Solution

The fourth proportional to 81,254.57, 112,108.01 and 46,792.92 is: 64,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,254.57 : 112,108.01 = 46,792.92 : x
  2. Step 2: Convert to fraction form
    81,254.57/112,108.01 = 46,792.92/x
  3. Step 3: Cross multiply
    81,254.57x = 112,108.01 × 46,792.92
  4. Step 4: Simplify right side
    81,254.57x = 5,245,860,712.83
  5. Step 5: Solve for x
    x = 5,245,860,712.83/81,254.57
  6. Step 6: Final answer
    x = 64,560.81

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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.