Home / 93,463.27-128,977.62-53,176.15

Finding the Fourth Proportional to 93,463.27, 128,977.62 and 53,176.15

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Solution

The fourth proportional to 93,463.27, 128,977.62 and 53,176.15 is: 73,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,463.27 : 128,977.62 = 53,176.15 : x
  2. Step 2: Convert to fraction form
    93,463.27/128,977.62 = 53,176.15/x
  3. Step 3: Cross multiply
    93,463.27x = 128,977.62 × 53,176.15
  4. Step 4: Simplify right side
    93,463.27x = 6,858,533,267.76
  5. Step 5: Solve for x
    x = 6,858,533,267.76/93,463.27
  6. Step 6: Final answer
    x = 73,382.12

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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.