Home / 89,035.60-133,510.20-49,550.80

Finding the Fourth Proportional to 89,035.60, 133,510.20 and 49,550.80

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Solution

The fourth proportional to 89,035.60, 133,510.20 and 49,550.80 is: 74,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,035.60 : 133,510.20 = 49,550.80 : x
  2. Step 2: Convert to fraction form
    89,035.60/133,510.20 = 49,550.80/x
  3. Step 3: Cross multiply
    89,035.60x = 133,510.20 × 49,550.80
  4. Step 4: Simplify right side
    89,035.60x = 6,615,537,218.16
  5. Step 5: Solve for x
    x = 6,615,537,218.16/89,035.60
  6. Step 6: Final answer
    x = 74,302.16

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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.