Home / 111,070.08-153,277.92-60,768

Finding the Fourth Proportional to 111,070.08, 153,277.92 and 60,768

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Solution

The fourth proportional to 111,070.08, 153,277.92 and 60,768 is: 83,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,070.08 : 153,277.92 = 60,768 : x
  2. Step 2: Convert to fraction form
    111,070.08/153,277.92 = 60,768/x
  3. Step 3: Cross multiply
    111,070.08x = 153,277.92 × 60,768
  4. Step 4: Simplify right side
    111,070.08x = 9,314,392,642.56
  5. Step 5: Solve for x
    x = 9,314,392,642.56/111,070.08
  6. Step 6: Final answer
    x = 83,860.50

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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.