Home / 75,009.60-112,569.75-35,566.80

Finding the Fourth Proportional to 75,009.60, 112,569.75 and 35,566.80

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Solution

The fourth proportional to 75,009.60, 112,569.75 and 35,566.80 is: 53,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,009.60 : 112,569.75 = 35,566.80 : x
  2. Step 2: Convert to fraction form
    75,009.60/112,569.75 = 35,566.80/x
  3. Step 3: Cross multiply
    75,009.60x = 112,569.75 × 35,566.80
  4. Step 4: Simplify right side
    75,009.60x = 4,003,745,784.30
  5. Step 5: Solve for x
    x = 4,003,745,784.30/75,009.60
  6. Step 6: Final answer
    x = 53,376.44

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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.