Home / 81,547.33-112,542.09-45,252.18

Finding the Fourth Proportional to 81,547.33, 112,542.09 and 45,252.18

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Solution

The fourth proportional to 81,547.33, 112,542.09 and 45,252.18 is: 62,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,547.33 : 112,542.09 = 45,252.18 : x
  2. Step 2: Convert to fraction form
    81,547.33/112,542.09 = 45,252.18/x
  3. Step 3: Cross multiply
    81,547.33x = 112,542.09 × 45,252.18
  4. Step 4: Simplify right side
    81,547.33x = 5,092,774,688.00
  5. Step 5: Solve for x
    x = 5,092,774,688.00/81,547.33
  6. Step 6: Final answer
    x = 62,451.77

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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.