Home / 123,944.99-171,043.56-70,240.23

Finding the Fourth Proportional to 123,944.99, 171,043.56 and 70,240.23

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Solution

The fourth proportional to 123,944.99, 171,043.56 and 70,240.23 is: 96,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,944.99 : 171,043.56 = 70,240.23 : x
  2. Step 2: Convert to fraction form
    123,944.99/171,043.56 = 70,240.23/x
  3. Step 3: Cross multiply
    123,944.99x = 171,043.56 × 70,240.23
  4. Step 4: Simplify right side
    123,944.99x = 12,014,138,994.42
  5. Step 5: Solve for x
    x = 12,014,138,994.42/123,944.99
  6. Step 6: Final answer
    x = 96,931.22

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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.