Home / 112,150.08-154,766.16-61,848

Finding the Fourth Proportional to 112,150.08, 154,766.16 and 61,848

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Solution

The fourth proportional to 112,150.08, 154,766.16 and 61,848 is: 85,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,150.08 : 154,766.16 = 61,848 : x
  2. Step 2: Convert to fraction form
    112,150.08/154,766.16 = 61,848/x
  3. Step 3: Cross multiply
    112,150.08x = 154,766.16 × 61,848
  4. Step 4: Simplify right side
    112,150.08x = 9,571,977,463.68
  5. Step 5: Solve for x
    x = 9,571,977,463.68/112,150.08
  6. Step 6: Final answer
    x = 85,349.72

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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.