Home / 75,635.68-113,255.34-53,328.28

Finding the Fourth Proportional to 75,635.68, 113,255.34 and 53,328.28

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Solution

The fourth proportional to 75,635.68, 113,255.34 and 53,328.28 is: 79,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,635.68 : 113,255.34 = 53,328.28 : x
  2. Step 2: Convert to fraction form
    75,635.68/113,255.34 = 53,328.28/x
  3. Step 3: Cross multiply
    75,635.68x = 113,255.34 × 53,328.28
  4. Step 4: Simplify right side
    75,635.68x = 6,039,712,483.02
  5. Step 5: Solve for x
    x = 6,039,712,483.02/75,635.68
  6. Step 6: Final answer
    x = 79,852.69

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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.