Home / 111,141.77-153,365.91-62,741.03

Finding the Fourth Proportional to 111,141.77, 153,365.91 and 62,741.03

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Solution

The fourth proportional to 111,141.77, 153,365.91 and 62,741.03 is: 86,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,141.77 : 153,365.91 = 62,741.03 : x
  2. Step 2: Convert to fraction form
    111,141.77/153,365.91 = 62,741.03/x
  3. Step 3: Cross multiply
    111,141.77x = 153,365.91 × 62,741.03
  4. Step 4: Simplify right side
    111,141.77x = 9,622,335,160.29
  5. Step 5: Solve for x
    x = 9,622,335,160.29/111,141.77
  6. Step 6: Final answer
    x = 86,577.13

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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.