Home / 92,145.46-127,199.97-61,948.30

Finding the Fourth Proportional to 92,145.46, 127,199.97 and 61,948.30

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Solution

The fourth proportional to 92,145.46, 127,199.97 and 61,948.30 is: 85,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,145.46 : 127,199.97 = 61,948.30 : x
  2. Step 2: Convert to fraction form
    92,145.46/127,199.97 = 61,948.30/x
  3. Step 3: Cross multiply
    92,145.46x = 127,199.97 × 61,948.30
  4. Step 4: Simplify right side
    92,145.46x = 7,879,821,901.55
  5. Step 5: Solve for x
    x = 7,879,821,901.55/92,145.46
  6. Step 6: Final answer
    x = 85,515.03

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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.