Home / 98,330.64-135,695.01-55,886.37

Finding the Fourth Proportional to 98,330.64, 135,695.01 and 55,886.37

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Solution

The fourth proportional to 98,330.64, 135,695.01 and 55,886.37 is: 77,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,330.64 : 135,695.01 = 55,886.37 : x
  2. Step 2: Convert to fraction form
    98,330.64/135,695.01 = 55,886.37/x
  3. Step 3: Cross multiply
    98,330.64x = 135,695.01 × 55,886.37
  4. Step 4: Simplify right side
    98,330.64x = 7,583,501,536.01
  5. Step 5: Solve for x
    x = 7,583,501,536.01/98,330.64
  6. Step 6: Final answer
    x = 77,122.47

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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.