Home / 81,239.35-112,105.65-44,938.63

Finding the Fourth Proportional to 81,239.35, 112,105.65 and 44,938.63

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Solution

The fourth proportional to 81,239.35, 112,105.65 and 44,938.63 is: 62,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,239.35 : 112,105.65 = 44,938.63 : x
  2. Step 2: Convert to fraction form
    81,239.35/112,105.65 = 44,938.63/x
  3. Step 3: Cross multiply
    81,239.35x = 112,105.65 × 44,938.63
  4. Step 4: Simplify right side
    81,239.35x = 5,037,874,326.26
  5. Step 5: Solve for x
    x = 5,037,874,326.26/81,239.35
  6. Step 6: Final answer
    x = 62,012.74

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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.