Home / 50,666.40-75,999.60-47,167.20

Finding the Fourth Proportional to 50,666.40, 75,999.60 and 47,167.20

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Solution

The fourth proportional to 50,666.40, 75,999.60 and 47,167.20 is: 70,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,666.40 : 75,999.60 = 47,167.20 : x
  2. Step 2: Convert to fraction form
    50,666.40/75,999.60 = 47,167.20/x
  3. Step 3: Cross multiply
    50,666.40x = 75,999.60 × 47,167.20
  4. Step 4: Simplify right side
    50,666.40x = 3,584,688,333.12
  5. Step 5: Solve for x
    x = 3,584,688,333.12/50,666.40
  6. Step 6: Final answer
    x = 70,750.80

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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.