Home / 52,437.56-78,545.39-42,399.23

Finding the Fourth Proportional to 52,437.56, 78,545.39 and 42,399.23

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Solution

The fourth proportional to 52,437.56, 78,545.39 and 42,399.23 is: 63,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,437.56 : 78,545.39 = 42,399.23 : x
  2. Step 2: Convert to fraction form
    52,437.56/78,545.39 = 42,399.23/x
  3. Step 3: Cross multiply
    52,437.56x = 78,545.39 × 42,399.23
  4. Step 4: Simplify right side
    52,437.56x = 3,330,263,451.33
  5. Step 5: Solve for x
    x = 3,330,263,451.33/52,437.56
  6. Step 6: Final answer
    x = 63,509.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.