Home / 93,441.11-128,935.53-53,158.41

Finding the Fourth Proportional to 93,441.11, 128,935.53 and 53,158.41

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Solution

The fourth proportional to 93,441.11, 128,935.53 and 53,158.41 is: 73,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,441.11 : 128,935.53 = 53,158.41 : x
  2. Step 2: Convert to fraction form
    93,441.11/128,935.53 = 53,158.41/x
  3. Step 3: Cross multiply
    93,441.11x = 128,935.53 × 53,158.41
  4. Step 4: Simplify right side
    93,441.11x = 6,854,007,767.31
  5. Step 5: Solve for x
    x = 6,854,007,767.31/93,441.11
  6. Step 6: Final answer
    x = 73,351.10

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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.