Home / 61,208.16-84,435.78-40,825.32

Finding the Fourth Proportional to 61,208.16, 84,435.78 and 40,825.32

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Solution

The fourth proportional to 61,208.16, 84,435.78 and 40,825.32 is: 56,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,208.16 : 84,435.78 = 40,825.32 : x
  2. Step 2: Convert to fraction form
    61,208.16/84,435.78 = 40,825.32/x
  3. Step 3: Cross multiply
    61,208.16x = 84,435.78 × 40,825.32
  4. Step 4: Simplify right side
    61,208.16x = 3,447,117,737.95
  5. Step 5: Solve for x
    x = 3,447,117,737.95/61,208.16
  6. Step 6: Final answer
    x = 56,317.94

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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.