Home / 93,443.72-128,950.47-51,002.55

Finding the Fourth Proportional to 93,443.72, 128,950.47 and 51,002.55

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Solution

The fourth proportional to 93,443.72, 128,950.47 and 51,002.55 is: 70,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,443.72 : 128,950.47 = 51,002.55 : x
  2. Step 2: Convert to fraction form
    93,443.72/128,950.47 = 51,002.55/x
  3. Step 3: Cross multiply
    93,443.72x = 128,950.47 × 51,002.55
  4. Step 4: Simplify right side
    93,443.72x = 6,576,802,793.70
  5. Step 5: Solve for x
    x = 6,576,802,793.70/93,443.72
  6. Step 6: Final answer
    x = 70,382.51

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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.