Home / 85,492.27-117,993.68-57,884.41

Finding the Fourth Proportional to 85,492.27, 117,993.68 and 57,884.41

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Solution

The fourth proportional to 85,492.27, 117,993.68 and 57,884.41 is: 79,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,492.27 : 117,993.68 = 57,884.41 : x
  2. Step 2: Convert to fraction form
    85,492.27/117,993.68 = 57,884.41/x
  3. Step 3: Cross multiply
    85,492.27x = 117,993.68 × 57,884.41
  4. Step 4: Simplify right side
    85,492.27x = 6,829,994,547.75
  5. Step 5: Solve for x
    x = 6,829,994,547.75/85,492.27
  6. Step 6: Final answer
    x = 79,890.20

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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.