Home / 72,024.06-99,396.36-40,193.10

Finding the Fourth Proportional to 72,024.06, 99,396.36 and 40,193.10

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Solution

The fourth proportional to 72,024.06, 99,396.36 and 40,193.10 is: 55,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,024.06 : 99,396.36 = 40,193.10 : x
  2. Step 2: Convert to fraction form
    72,024.06/99,396.36 = 40,193.10/x
  3. Step 3: Cross multiply
    72,024.06x = 99,396.36 × 40,193.10
  4. Step 4: Simplify right side
    72,024.06x = 3,995,047,837.12
  5. Step 5: Solve for x
    x = 3,995,047,837.12/72,024.06
  6. Step 6: Final answer
    x = 55,468.24

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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.