Home / 118,772.04-163,926.54-71,030.64

Finding the Fourth Proportional to 118,772.04, 163,926.54 and 71,030.64

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Solution

The fourth proportional to 118,772.04, 163,926.54 and 71,030.64 is: 98,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,772.04 : 163,926.54 = 71,030.64 : x
  2. Step 2: Convert to fraction form
    118,772.04/163,926.54 = 71,030.64/x
  3. Step 3: Cross multiply
    118,772.04x = 163,926.54 × 71,030.64
  4. Step 4: Simplify right side
    118,772.04x = 11,643,807,049.19
  5. Step 5: Solve for x
    x = 11,643,807,049.19/118,772.04
  6. Step 6: Final answer
    x = 98,034.92

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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.