Home / 57,646.68-85,896.96-51,358.38

Finding the Fourth Proportional to 57,646.68, 85,896.96 and 51,358.38

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Solution

The fourth proportional to 57,646.68, 85,896.96 and 51,358.38 is: 76,527.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,646.68 : 85,896.96 = 51,358.38 : x
  2. Step 2: Convert to fraction form
    57,646.68/85,896.96 = 51,358.38/x
  3. Step 3: Cross multiply
    57,646.68x = 85,896.96 × 51,358.38
  4. Step 4: Simplify right side
    57,646.68x = 4,411,528,712.52
  5. Step 5: Solve for x
    x = 4,411,528,712.52/57,646.68
  6. Step 6: Final answer
    x = 76,527.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.