Home / 55,901.07-77,147.24-30,752.19

Finding the Fourth Proportional to 55,901.07, 77,147.24 and 30,752.19

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Solution

The fourth proportional to 55,901.07, 77,147.24 and 30,752.19 is: 42,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,901.07 : 77,147.24 = 30,752.19 : x
  2. Step 2: Convert to fraction form
    55,901.07/77,147.24 = 30,752.19/x
  3. Step 3: Cross multiply
    55,901.07x = 77,147.24 × 30,752.19
  4. Step 4: Simplify right side
    55,901.07x = 2,372,446,428.69
  5. Step 5: Solve for x
    x = 2,372,446,428.69/55,901.07
  6. Step 6: Final answer
    x = 42,440.09

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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.