Home / 109,746.12-164,625.30-30,854.20

Finding the Fourth Proportional to 109,746.12, 164,625.30 and 30,854.20

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Solution

The fourth proportional to 109,746.12, 164,625.30 and 30,854.20 is: 46,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,746.12 : 164,625.30 = 30,854.20 : x
  2. Step 2: Convert to fraction form
    109,746.12/164,625.30 = 30,854.20/x
  3. Step 3: Cross multiply
    109,746.12x = 164,625.30 × 30,854.20
  4. Step 4: Simplify right side
    109,746.12x = 5,079,381,931.26
  5. Step 5: Solve for x
    x = 5,079,381,931.26/109,746.12
  6. Step 6: Final answer
    x = 46,283.02

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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.