Home / 118,133.06-163,027.55-64,421.01

Finding the Fourth Proportional to 118,133.06, 163,027.55 and 64,421.01

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Solution

The fourth proportional to 118,133.06, 163,027.55 and 64,421.01 is: 88,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,133.06 : 163,027.55 = 64,421.01 : x
  2. Step 2: Convert to fraction form
    118,133.06/163,027.55 = 64,421.01/x
  3. Step 3: Cross multiply
    118,133.06x = 163,027.55 × 64,421.01
  4. Step 4: Simplify right side
    118,133.06x = 10,502,399,589.88
  5. Step 5: Solve for x
    x = 10,502,399,589.88/118,133.06
  6. Step 6: Final answer
    x = 88,903.14

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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.