Home / 118,627.02-163,699.05-67,641.30

Finding the Fourth Proportional to 118,627.02, 163,699.05 and 67,641.30

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Solution

The fourth proportional to 118,627.02, 163,699.05 and 67,641.30 is: 93,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,627.02 : 163,699.05 = 67,641.30 : x
  2. Step 2: Convert to fraction form
    118,627.02/163,699.05 = 67,641.30/x
  3. Step 3: Cross multiply
    118,627.02x = 163,699.05 × 67,641.30
  4. Step 4: Simplify right side
    118,627.02x = 11,072,816,550.77
  5. Step 5: Solve for x
    x = 11,072,816,550.77/118,627.02
  6. Step 6: Final answer
    x = 93,341.44

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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.