Home / 89,131.77-133,607.68-55,875.19

Finding the Fourth Proportional to 89,131.77, 133,607.68 and 55,875.19

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Solution

The fourth proportional to 89,131.77, 133,607.68 and 55,875.19 is: 83,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,131.77 : 133,607.68 = 55,875.19 : x
  2. Step 2: Convert to fraction form
    89,131.77/133,607.68 = 55,875.19/x
  3. Step 3: Cross multiply
    89,131.77x = 133,607.68 × 55,875.19
  4. Step 4: Simplify right side
    89,131.77x = 7,465,354,226.08
  5. Step 5: Solve for x
    x = 7,465,354,226.08/89,131.77
  6. Step 6: Final answer
    x = 83,756.38

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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.