Home / 81,792.06-112,864.42-45,487.63

Finding the Fourth Proportional to 81,792.06, 112,864.42 and 45,487.63

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Solution

The fourth proportional to 81,792.06, 112,864.42 and 45,487.63 is: 62,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,792.06 : 112,864.42 = 45,487.63 : x
  2. Step 2: Convert to fraction form
    81,792.06/112,864.42 = 45,487.63/x
  3. Step 3: Cross multiply
    81,792.06x = 112,864.42 × 45,487.63
  4. Step 4: Simplify right side
    81,792.06x = 5,133,934,977.12
  5. Step 5: Solve for x
    x = 5,133,934,977.12/81,792.06
  6. Step 6: Final answer
    x = 62,768.13

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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.