Home / 109,070.08-163,574.88-69,063.04

Finding the Fourth Proportional to 109,070.08, 163,574.88 and 69,063.04

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Solution

The fourth proportional to 109,070.08, 163,574.88 and 69,063.04 is: 103,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,070.08 : 163,574.88 = 69,063.04 : x
  2. Step 2: Convert to fraction form
    109,070.08/163,574.88 = 69,063.04/x
  3. Step 3: Cross multiply
    109,070.08x = 163,574.88 × 69,063.04
  4. Step 4: Simplify right side
    109,070.08x = 11,296,978,480.44
  5. Step 5: Solve for x
    x = 11,296,978,480.44/109,070.08
  6. Step 6: Final answer
    x = 103,575.41

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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.