Home / 111,551.04-153,938.52-61,249.68

Finding the Fourth Proportional to 111,551.04, 153,938.52 and 61,249.68

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Solution

The fourth proportional to 111,551.04, 153,938.52 and 61,249.68 is: 84,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,551.04 : 153,938.52 = 61,249.68 : x
  2. Step 2: Convert to fraction form
    111,551.04/153,938.52 = 61,249.68/x
  3. Step 3: Cross multiply
    111,551.04x = 153,938.52 × 61,249.68
  4. Step 4: Simplify right side
    111,551.04x = 9,428,685,089.67
  5. Step 5: Solve for x
    x = 9,428,685,089.67/111,551.04
  6. Step 6: Final answer
    x = 84,523.51

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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.