Home / 62,948-86,867.20-34,653.12

Finding the Fourth Proportional to 62,948, 86,867.20 and 34,653.12

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Solution

The fourth proportional to 62,948, 86,867.20 and 34,653.12 is: 47,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,948 : 86,867.20 = 34,653.12 : x
  2. Step 2: Convert to fraction form
    62,948/86,867.20 = 34,653.12/x
  3. Step 3: Cross multiply
    62,948x = 86,867.20 × 34,653.12
  4. Step 4: Simplify right side
    62,948x = 3,010,219,505.66
  5. Step 5: Solve for x
    x = 3,010,219,505.66/62,948
  6. Step 6: Final answer
    x = 47,820.73

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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.