Home / 55,024.99-76,003.19-42,431.11

Finding the Fourth Proportional to 55,024.99, 76,003.19 and 42,431.11

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Solution

The fourth proportional to 55,024.99, 76,003.19 and 42,431.11 is: 58,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,024.99 : 76,003.19 = 42,431.11 : x
  2. Step 2: Convert to fraction form
    55,024.99/76,003.19 = 42,431.11/x
  3. Step 3: Cross multiply
    55,024.99x = 76,003.19 × 42,431.11
  4. Step 4: Simplify right side
    55,024.99x = 3,224,899,715.24
  5. Step 5: Solve for x
    x = 3,224,899,715.24/55,024.99
  6. Step 6: Final answer
    x = 58,607.91

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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.