Home / 64,129.08-88,503.32-35,451.28

Finding the Fourth Proportional to 64,129.08, 88,503.32 and 35,451.28

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Solution

The fourth proportional to 64,129.08, 88,503.32 and 35,451.28 is: 48,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,129.08 : 88,503.32 = 35,451.28 : x
  2. Step 2: Convert to fraction form
    64,129.08/88,503.32 = 35,451.28/x
  3. Step 3: Cross multiply
    64,129.08x = 88,503.32 × 35,451.28
  4. Step 4: Simplify right side
    64,129.08x = 3,137,555,978.25
  5. Step 5: Solve for x
    x = 3,137,555,978.25/64,129.08
  6. Step 6: Final answer
    x = 48,925.64

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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.