Home / 118,818.96-163,970.08-71,083.52

Finding the Fourth Proportional to 118,818.96, 163,970.08 and 71,083.52

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Solution

The fourth proportional to 118,818.96, 163,970.08 and 71,083.52 is: 98,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,818.96 : 163,970.08 = 71,083.52 : x
  2. Step 2: Convert to fraction form
    118,818.96/163,970.08 = 71,083.52/x
  3. Step 3: Cross multiply
    118,818.96x = 163,970.08 × 71,083.52
  4. Step 4: Simplify right side
    118,818.96x = 11,655,570,461.08
  5. Step 5: Solve for x
    x = 11,655,570,461.08/118,818.96
  6. Step 6: Final answer
    x = 98,095.21

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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.