Home / 62,420.07-86,139.71-34,125.76

Finding the Fourth Proportional to 62,420.07, 86,139.71 and 34,125.76

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Solution

The fourth proportional to 62,420.07, 86,139.71 and 34,125.76 is: 47,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,420.07 : 86,139.71 = 34,125.76 : x
  2. Step 2: Convert to fraction form
    62,420.07/86,139.71 = 34,125.76/x
  3. Step 3: Cross multiply
    62,420.07x = 86,139.71 × 34,125.76
  4. Step 4: Simplify right side
    62,420.07x = 2,939,583,069.93
  5. Step 5: Solve for x
    x = 2,939,583,069.93/62,420.07
  6. Step 6: Final answer
    x = 47,093.56

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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.