Home / 89,435.20-133,999.20-47,252.80

Finding the Fourth Proportional to 89,435.20, 133,999.20 and 47,252.80

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Solution

The fourth proportional to 89,435.20, 133,999.20 and 47,252.80 is: 70,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,435.20 : 133,999.20 = 47,252.80 : x
  2. Step 2: Convert to fraction form
    89,435.20/133,999.20 = 47,252.80/x
  3. Step 3: Cross multiply
    89,435.20x = 133,999.20 × 47,252.80
  4. Step 4: Simplify right side
    89,435.20x = 6,331,837,397.76
  5. Step 5: Solve for x
    x = 6,331,837,397.76/89,435.20
  6. Step 6: Final answer
    x = 70,798.05

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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.