Home / 88,731.45-122,504.67-56,484.27

Finding the Fourth Proportional to 88,731.45, 122,504.67 and 56,484.27

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Solution

The fourth proportional to 88,731.45, 122,504.67 and 56,484.27 is: 77,983.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731.45 : 122,504.67 = 56,484.27 : x
  2. Step 2: Convert to fraction form
    88,731.45/122,504.67 = 56,484.27/x
  3. Step 3: Cross multiply
    88,731.45x = 122,504.67 × 56,484.27
  4. Step 4: Simplify right side
    88,731.45x = 6,919,586,856.54
  5. Step 5: Solve for x
    x = 6,919,586,856.54/88,731.45
  6. Step 6: Final answer
    x = 77,983.48

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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.