Home / 55,734.06-76,909.23-30,585.18

Finding the Fourth Proportional to 55,734.06, 76,909.23 and 30,585.18

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Solution

The fourth proportional to 55,734.06, 76,909.23 and 30,585.18 is: 42,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,734.06 : 76,909.23 = 30,585.18 : x
  2. Step 2: Convert to fraction form
    55,734.06/76,909.23 = 30,585.18/x
  3. Step 3: Cross multiply
    55,734.06x = 76,909.23 × 30,585.18
  4. Step 4: Simplify right side
    55,734.06x = 2,352,282,643.21
  5. Step 5: Solve for x
    x = 2,352,282,643.21/55,734.06
  6. Step 6: Final answer
    x = 42,205.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.