Home / 69,809.21-96,293.51-60,878.15

Finding the Fourth Proportional to 69,809.21, 96,293.51 and 60,878.15

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Solution

The fourth proportional to 69,809.21, 96,293.51 and 60,878.15 is: 83,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,809.21 : 96,293.51 = 60,878.15 : x
  2. Step 2: Convert to fraction form
    69,809.21/96,293.51 = 60,878.15/x
  3. Step 3: Cross multiply
    69,809.21x = 96,293.51 × 60,878.15
  4. Step 4: Simplify right side
    69,809.21x = 5,862,170,745.81
  5. Step 5: Solve for x
    x = 5,862,170,745.81/69,809.21
  6. Step 6: Final answer
    x = 83,974.17

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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.