Home / 81,330.47-112,222.66-51,094.39

Finding the Fourth Proportional to 81,330.47, 112,222.66 and 51,094.39

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Solution

The fourth proportional to 81,330.47, 112,222.66 and 51,094.39 is: 70,501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,330.47 : 112,222.66 = 51,094.39 : x
  2. Step 2: Convert to fraction form
    81,330.47/112,222.66 = 51,094.39/x
  3. Step 3: Cross multiply
    81,330.47x = 112,222.66 × 51,094.39
  4. Step 4: Simplify right side
    81,330.47x = 5,733,948,356.88
  5. Step 5: Solve for x
    x = 5,733,948,356.88/81,330.47
  6. Step 6: Final answer
    x = 70,501.85

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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.