Home / 95,197.57-131,368.12-56,978.17

Finding the Fourth Proportional to 95,197.57, 131,368.12 and 56,978.17

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Solution

The fourth proportional to 95,197.57, 131,368.12 and 56,978.17 is: 78,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,197.57 : 131,368.12 = 56,978.17 : x
  2. Step 2: Convert to fraction form
    95,197.57/131,368.12 = 56,978.17/x
  3. Step 3: Cross multiply
    95,197.57x = 131,368.12 × 56,978.17
  4. Step 4: Simplify right side
    95,197.57x = 7,485,114,603.07
  5. Step 5: Solve for x
    x = 7,485,114,603.07/95,197.57
  6. Step 6: Final answer
    x = 78,627.16

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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.