Home / 89,020.10-133,530.15-29,855.60

Finding the Fourth Proportional to 89,020.10, 133,530.15 and 29,855.60

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Solution

The fourth proportional to 89,020.10, 133,530.15 and 29,855.60 is: 44,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,020.10 : 133,530.15 = 29,855.60 : x
  2. Step 2: Convert to fraction form
    89,020.10/133,530.15 = 29,855.60/x
  3. Step 3: Cross multiply
    89,020.10x = 133,530.15 × 29,855.60
  4. Step 4: Simplify right side
    89,020.10x = 3,986,623,080.17
  5. Step 5: Solve for x
    x = 3,986,623,080.17/89,020.10
  6. Step 6: Final answer
    x = 44,783.40

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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.