Home / 93,340.67-128,821.19-58,935.38

Finding the Fourth Proportional to 93,340.67, 128,821.19 and 58,935.38

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Solution

The fourth proportional to 93,340.67, 128,821.19 and 58,935.38 is: 81,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340.67 : 128,821.19 = 58,935.38 : x
  2. Step 2: Convert to fraction form
    93,340.67/128,821.19 = 58,935.38/x
  3. Step 3: Cross multiply
    93,340.67x = 128,821.19 × 58,935.38
  4. Step 4: Simplify right side
    93,340.67x = 7,592,124,845.92
  5. Step 5: Solve for x
    x = 7,592,124,845.92/93,340.67
  6. Step 6: Final answer
    x = 81,337.81

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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.