Home / 63,999.15-88,318.21-35,319.08

Finding the Fourth Proportional to 63,999.15, 88,318.21 and 35,319.08

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Solution

The fourth proportional to 63,999.15, 88,318.21 and 35,319.08 is: 48,739.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,999.15 : 88,318.21 = 35,319.08 : x
  2. Step 2: Convert to fraction form
    63,999.15/88,318.21 = 35,319.08/x
  3. Step 3: Cross multiply
    63,999.15x = 88,318.21 × 35,319.08
  4. Step 4: Simplify right side
    63,999.15x = 3,119,317,924.45
  5. Step 5: Solve for x
    x = 3,119,317,924.45/63,999.15
  6. Step 6: Final answer
    x = 48,739.99

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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.