Home / 93,462.24-128,942.64-59,947.68

Finding the Fourth Proportional to 93,462.24, 128,942.64 and 59,947.68

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Solution

The fourth proportional to 93,462.24, 128,942.64 and 59,947.68 is: 82,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,462.24 : 128,942.64 = 59,947.68 : x
  2. Step 2: Convert to fraction form
    93,462.24/128,942.64 = 59,947.68/x
  3. Step 3: Cross multiply
    93,462.24x = 128,942.64 × 59,947.68
  4. Step 4: Simplify right side
    93,462.24x = 7,729,812,121.08
  5. Step 5: Solve for x
    x = 7,729,812,121.08/93,462.24
  6. Step 6: Final answer
    x = 82,705.19

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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.