Home / 62,488.68-86,202.09-42,338.67

Finding the Fourth Proportional to 62,488.68, 86,202.09 and 42,338.67

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Solution

The fourth proportional to 62,488.68, 86,202.09 and 42,338.67 is: 58,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,488.68 : 86,202.09 = 42,338.67 : x
  2. Step 2: Convert to fraction form
    62,488.68/86,202.09 = 42,338.67/x
  3. Step 3: Cross multiply
    62,488.68x = 86,202.09 × 42,338.67
  4. Step 4: Simplify right side
    62,488.68x = 3,649,681,841.82
  5. Step 5: Solve for x
    x = 3,649,681,841.82/62,488.68
  6. Step 6: Final answer
    x = 58,405.49

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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.