Home / 64,820.77-89,449.45-36,528.28

Finding the Fourth Proportional to 64,820.77, 89,449.45 and 36,528.28

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Solution

The fourth proportional to 64,820.77, 89,449.45 and 36,528.28 is: 50,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,820.77 : 89,449.45 = 36,528.28 : x
  2. Step 2: Convert to fraction form
    64,820.77/89,449.45 = 36,528.28/x
  3. Step 3: Cross multiply
    64,820.77x = 89,449.45 × 36,528.28
  4. Step 4: Simplify right side
    64,820.77x = 3,267,434,555.45
  5. Step 5: Solve for x
    x = 3,267,434,555.45/64,820.77
  6. Step 6: Final answer
    x = 50,407.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.