Home / 84,038.77-126,076.85-36,661.53

Finding the Fourth Proportional to 84,038.77, 126,076.85 and 36,661.53

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Solution

The fourth proportional to 84,038.77, 126,076.85 and 36,661.53 is: 55,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,038.77 : 126,076.85 = 36,661.53 : x
  2. Step 2: Convert to fraction form
    84,038.77/126,076.85 = 36,661.53/x
  3. Step 3: Cross multiply
    84,038.77x = 126,076.85 × 36,661.53
  4. Step 4: Simplify right side
    84,038.77x = 4,622,170,218.58
  5. Step 5: Solve for x
    x = 4,622,170,218.58/84,038.77
  6. Step 6: Final answer
    x = 55,000.45

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1.5x scale

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.