Home / 84,341.33-126,409.69-61,947.06

Finding the Fourth Proportional to 84,341.33, 126,409.69 and 61,947.06

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Solution

The fourth proportional to 84,341.33, 126,409.69 and 61,947.06 is: 92,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,341.33 : 126,409.69 = 61,947.06 : x
  2. Step 2: Convert to fraction form
    84,341.33/126,409.69 = 61,947.06/x
  3. Step 3: Cross multiply
    84,341.33x = 126,409.69 × 61,947.06
  4. Step 4: Simplify right side
    84,341.33x = 7,830,708,254.41
  5. Step 5: Solve for x
    x = 7,830,708,254.41/84,341.33
  6. Step 6: Final answer
    x = 92,845.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.