Home / 54,443.84-75,130.08-30,570.08

Finding the Fourth Proportional to 54,443.84, 75,130.08 and 30,570.08

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Solution

The fourth proportional to 54,443.84, 75,130.08 and 30,570.08 is: 42,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,443.84 : 75,130.08 = 30,570.08 : x
  2. Step 2: Convert to fraction form
    54,443.84/75,130.08 = 30,570.08/x
  3. Step 3: Cross multiply
    54,443.84x = 75,130.08 × 30,570.08
  4. Step 4: Simplify right side
    54,443.84x = 2,296,732,556.01
  5. Step 5: Solve for x
    x = 2,296,732,556.01/54,443.84
  6. Step 6: Final answer
    x = 42,185.35

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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.