Home / 84,256.08-126,407.74-36,875.30

Finding the Fourth Proportional to 84,256.08, 126,407.74 and 36,875.30

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Solution

The fourth proportional to 84,256.08, 126,407.74 and 36,875.30 is: 55,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,256.08 : 126,407.74 = 36,875.30 : x
  2. Step 2: Convert to fraction form
    84,256.08/126,407.74 = 36,875.30/x
  3. Step 3: Cross multiply
    84,256.08x = 126,407.74 × 36,875.30
  4. Step 4: Simplify right side
    84,256.08x = 4,661,323,334.82
  5. Step 5: Solve for x
    x = 4,661,323,334.82/84,256.08
  6. Step 6: Final answer
    x = 55,323.29

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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.