Home / 85,622.04-128,441.70-32,300.64

Finding the Fourth Proportional to 85,622.04, 128,441.70 and 32,300.64

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Solution

The fourth proportional to 85,622.04, 128,441.70 and 32,300.64 is: 48,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,622.04 : 128,441.70 = 32,300.64 : x
  2. Step 2: Convert to fraction form
    85,622.04/128,441.70 = 32,300.64/x
  3. Step 3: Cross multiply
    85,622.04x = 128,441.70 × 32,300.64
  4. Step 4: Simplify right side
    85,622.04x = 4,148,749,112.69
  5. Step 5: Solve for x
    x = 4,148,749,112.69/85,622.04
  6. Step 6: Final answer
    x = 48,454.22

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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.