Home / 85,822.47-118,531.98-58,551.74

Finding the Fourth Proportional to 85,822.47, 118,531.98 and 58,551.74

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Solution

The fourth proportional to 85,822.47, 118,531.98 and 58,551.74 is: 80,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,822.47 : 118,531.98 = 58,551.74 : x
  2. Step 2: Convert to fraction form
    85,822.47/118,531.98 = 58,551.74/x
  3. Step 3: Cross multiply
    85,822.47x = 118,531.98 × 58,551.74
  4. Step 4: Simplify right side
    85,822.47x = 6,940,253,081.99
  5. Step 5: Solve for x
    x = 6,940,253,081.99/85,822.47
  6. Step 6: Final answer
    x = 80,867.55

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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.