Home / 108,891.02-163,337.36-30,009.57

Finding the Fourth Proportional to 108,891.02, 163,337.36 and 30,009.57

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Solution

The fourth proportional to 108,891.02, 163,337.36 and 30,009.57 is: 45,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,891.02 : 163,337.36 = 30,009.57 : x
  2. Step 2: Convert to fraction form
    108,891.02/163,337.36 = 30,009.57/x
  3. Step 3: Cross multiply
    108,891.02x = 163,337.36 × 30,009.57
  4. Step 4: Simplify right side
    108,891.02x = 4,901,683,938.54
  5. Step 5: Solve for x
    x = 4,901,683,938.54/108,891.02
  6. Step 6: Final answer
    x = 45,014.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.