Home / 108,962.08-163,430.88-30,087.52

Finding the Fourth Proportional to 108,962.08, 163,430.88 and 30,087.52

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Solution

The fourth proportional to 108,962.08, 163,430.88 and 30,087.52 is: 45,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,962.08 : 163,430.88 = 30,087.52 : x
  2. Step 2: Convert to fraction form
    108,962.08/163,430.88 = 30,087.52/x
  3. Step 3: Cross multiply
    108,962.08x = 163,430.88 × 30,087.52
  4. Step 4: Simplify right side
    108,962.08x = 4,917,229,870.62
  5. Step 5: Solve for x
    x = 4,917,229,870.62/108,962.08
  6. Step 6: Final answer
    x = 45,127.90

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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.