Home / 93,326.18-128,789.80-50,884.71

Finding the Fourth Proportional to 93,326.18, 128,789.80 and 50,884.71

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Solution

The fourth proportional to 93,326.18, 128,789.80 and 50,884.71 is: 70,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,326.18 : 128,789.80 = 50,884.71 : x
  2. Step 2: Convert to fraction form
    93,326.18/128,789.80 = 50,884.71/x
  3. Step 3: Cross multiply
    93,326.18x = 128,789.80 × 50,884.71
  4. Step 4: Simplify right side
    93,326.18x = 6,553,431,013.78
  5. Step 5: Solve for x
    x = 6,553,431,013.78/93,326.18
  6. Step 6: Final answer
    x = 70,220.72

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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.