Home / 62,920.07-86,829.64-34,625.76

Finding the Fourth Proportional to 62,920.07, 86,829.64 and 34,625.76

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Solution

The fourth proportional to 62,920.07, 86,829.64 and 34,625.76 is: 47,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,920.07 : 86,829.64 = 34,625.76 : x
  2. Step 2: Convert to fraction form
    62,920.07/86,829.64 = 34,625.76/x
  3. Step 3: Cross multiply
    62,920.07x = 86,829.64 × 34,625.76
  4. Step 4: Simplify right side
    62,920.07x = 3,006,541,841.38
  5. Step 5: Solve for x
    x = 3,006,541,841.38/62,920.07
  6. Step 6: Final answer
    x = 47,783.51

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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.