Home / 106,931.93-147,530.03-61,608.79

Finding the Fourth Proportional to 106,931.93, 147,530.03 and 61,608.79

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Solution

The fourth proportional to 106,931.93, 147,530.03 and 61,608.79 is: 84,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,931.93 : 147,530.03 = 61,608.79 : x
  2. Step 2: Convert to fraction form
    106,931.93/147,530.03 = 61,608.79/x
  3. Step 3: Cross multiply
    106,931.93x = 147,530.03 × 61,608.79
  4. Step 4: Simplify right side
    106,931.93x = 9,089,146,030.03
  5. Step 5: Solve for x
    x = 9,089,146,030.03/106,931.93
  6. Step 6: Final answer
    x = 84,999.36

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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.