Home / 96,421.68-133,075.17-58,183.20

Finding the Fourth Proportional to 96,421.68, 133,075.17 and 58,183.20

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Solution

The fourth proportional to 96,421.68, 133,075.17 and 58,183.20 is: 80,300.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,421.68 : 133,075.17 = 58,183.20 : x
  2. Step 2: Convert to fraction form
    96,421.68/133,075.17 = 58,183.20/x
  3. Step 3: Cross multiply
    96,421.68x = 133,075.17 × 58,183.20
  4. Step 4: Simplify right side
    96,421.68x = 7,742,739,231.14
  5. Step 5: Solve for x
    x = 7,742,739,231.14/96,421.68
  6. Step 6: Final answer
    x = 80,300.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.