Home / 64,308.42-88,667.20-47,260.75

Finding the Fourth Proportional to 64,308.42, 88,667.20 and 47,260.75

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Solution

The fourth proportional to 64,308.42, 88,667.20 and 47,260.75 is: 65,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,308.42 : 88,667.20 = 47,260.75 : x
  2. Step 2: Convert to fraction form
    64,308.42/88,667.20 = 47,260.75/x
  3. Step 3: Cross multiply
    64,308.42x = 88,667.20 × 47,260.75
  4. Step 4: Simplify right side
    64,308.42x = 4,190,478,136.10
  5. Step 5: Solve for x
    x = 4,190,478,136.10/64,308.42
  6. Step 6: Final answer
    x = 65,162.21

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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.