Home / 108,720.90-163,097.55-38,594.34

Finding the Fourth Proportional to 108,720.90, 163,097.55 and 38,594.34

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Solution

The fourth proportional to 108,720.90, 163,097.55 and 38,594.34 is: 57,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,720.90 : 163,097.55 = 38,594.34 : x
  2. Step 2: Convert to fraction form
    108,720.90/163,097.55 = 38,594.34/x
  3. Step 3: Cross multiply
    108,720.90x = 163,097.55 × 38,594.34
  4. Step 4: Simplify right side
    108,720.90x = 6,294,642,297.87
  5. Step 5: Solve for x
    x = 6,294,642,297.87/108,720.90
  6. Step 6: Final answer
    x = 57,897.26

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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.