Home / 81,224.72-112,084.92-45,417.68

Finding the Fourth Proportional to 81,224.72, 112,084.92 and 45,417.68

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Solution

The fourth proportional to 81,224.72, 112,084.92 and 45,417.68 is: 62,673.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,224.72 : 112,084.92 = 45,417.68 : x
  2. Step 2: Convert to fraction form
    81,224.72/112,084.92 = 45,417.68/x
  3. Step 3: Cross multiply
    81,224.72x = 112,084.92 × 45,417.68
  4. Step 4: Simplify right side
    81,224.72x = 5,090,637,029.39
  5. Step 5: Solve for x
    x = 5,090,637,029.39/81,224.72
  6. Step 6: Final answer
    x = 62,673.49

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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.