Home / 75,742.10-113,483.55-48,007.70

Finding the Fourth Proportional to 75,742.10, 113,483.55 and 48,007.70

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Solution

The fourth proportional to 75,742.10, 113,483.55 and 48,007.70 is: 71,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,742.10 : 113,483.55 = 48,007.70 : x
  2. Step 2: Convert to fraction form
    75,742.10/113,483.55 = 48,007.70/x
  3. Step 3: Cross multiply
    75,742.10x = 113,483.55 × 48,007.70
  4. Step 4: Simplify right side
    75,742.10x = 5,448,084,223.34
  5. Step 5: Solve for x
    x = 5,448,084,223.34/75,742.10
  6. Step 6: Final answer
    x = 71,929.41

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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.