Home / 75,196.20-112,823.10-74,015.40

Finding the Fourth Proportional to 75,196.20, 112,823.10 and 74,015.40

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Solution

The fourth proportional to 75,196.20, 112,823.10 and 74,015.40 is: 111,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,196.20 : 112,823.10 = 74,015.40 : x
  2. Step 2: Convert to fraction form
    75,196.20/112,823.10 = 74,015.40/x
  3. Step 3: Cross multiply
    75,196.20x = 112,823.10 × 74,015.40
  4. Step 4: Simplify right side
    75,196.20x = 8,350,646,875.74
  5. Step 5: Solve for x
    x = 8,350,646,875.74/75,196.20
  6. Step 6: Final answer
    x = 111,051.45

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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.