Home / 89,071.20-133,574.40-29,908.80

Finding the Fourth Proportional to 89,071.20, 133,574.40 and 29,908.80

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Solution

The fourth proportional to 89,071.20, 133,574.40 and 29,908.80 is: 44,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,071.20 : 133,574.40 = 29,908.80 : x
  2. Step 2: Convert to fraction form
    89,071.20/133,574.40 = 29,908.80/x
  3. Step 3: Cross multiply
    89,071.20x = 133,574.40 × 29,908.80
  4. Step 4: Simplify right side
    89,071.20x = 3,995,050,014.72
  5. Step 5: Solve for x
    x = 3,995,050,014.72/89,071.20
  6. Step 6: Final answer
    x = 44,852.32

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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.