Home / 112,932.60-155,848.68-61,950.30

Finding the Fourth Proportional to 112,932.60, 155,848.68 and 61,950.30

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Solution

The fourth proportional to 112,932.60, 155,848.68 and 61,950.30 is: 85,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,932.60 : 155,848.68 = 61,950.30 : x
  2. Step 2: Convert to fraction form
    112,932.60/155,848.68 = 61,950.30/x
  3. Step 3: Cross multiply
    112,932.60x = 155,848.68 × 61,950.30
  4. Step 4: Simplify right side
    112,932.60x = 9,654,872,480.60
  5. Step 5: Solve for x
    x = 9,654,872,480.60/112,932.60
  6. Step 6: Final answer
    x = 85,492.34

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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.