Home / 112,015.60-168,023.40-49,807.60

Finding the Fourth Proportional to 112,015.60, 168,023.40 and 49,807.60

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Solution

The fourth proportional to 112,015.60, 168,023.40 and 49,807.60 is: 74,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015.60 : 168,023.40 = 49,807.60 : x
  2. Step 2: Convert to fraction form
    112,015.60/168,023.40 = 49,807.60/x
  3. Step 3: Cross multiply
    112,015.60x = 168,023.40 × 49,807.60
  4. Step 4: Simplify right side
    112,015.60x = 8,368,842,297.84
  5. Step 5: Solve for x
    x = 8,368,842,297.84/112,015.60
  6. Step 6: Final answer
    x = 74,711.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.