Home / 89,037.60-133,556.40-29,875.20

Finding the Fourth Proportional to 89,037.60, 133,556.40 and 29,875.20

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Solution

The fourth proportional to 89,037.60, 133,556.40 and 29,875.20 is: 44,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,037.60 : 133,556.40 = 29,875.20 : x
  2. Step 2: Convert to fraction form
    89,037.60/133,556.40 = 29,875.20/x
  3. Step 3: Cross multiply
    89,037.60x = 133,556.40 × 29,875.20
  4. Step 4: Simplify right side
    89,037.60x = 3,990,024,161.28
  5. Step 5: Solve for x
    x = 3,990,024,161.28/89,037.60
  6. Step 6: Final answer
    x = 44,812.80

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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.