Home / 118,511.71-163,543.02-70,116.13

Finding the Fourth Proportional to 118,511.71, 163,543.02 and 70,116.13

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Solution

The fourth proportional to 118,511.71, 163,543.02 and 70,116.13 is: 96,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,511.71 : 163,543.02 = 70,116.13 : x
  2. Step 2: Convert to fraction form
    118,511.71/163,543.02 = 70,116.13/x
  3. Step 3: Cross multiply
    118,511.71x = 163,543.02 × 70,116.13
  4. Step 4: Simplify right side
    118,511.71x = 11,467,003,592.41
  5. Step 5: Solve for x
    x = 11,467,003,592.41/118,511.71
  6. Step 6: Final answer
    x = 96,758.40

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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.