Home / 57,239.31-85,437.87-53,228.19

Finding the Fourth Proportional to 57,239.31, 85,437.87 and 53,228.19

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Solution

The fourth proportional to 57,239.31, 85,437.87 and 53,228.19 is: 79,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,239.31 : 85,437.87 = 53,228.19 : x
  2. Step 2: Convert to fraction form
    57,239.31/85,437.87 = 53,228.19/x
  3. Step 3: Cross multiply
    57,239.31x = 85,437.87 × 53,228.19
  4. Step 4: Simplify right side
    57,239.31x = 4,547,703,177.56
  5. Step 5: Solve for x
    x = 4,547,703,177.56/57,239.31
  6. Step 6: Final answer
    x = 79,450.70

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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.