Home / 50,763.08-70,055.34-28,407.08

Finding the Fourth Proportional to 50,763.08, 70,055.34 and 28,407.08

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Solution

The fourth proportional to 50,763.08, 70,055.34 and 28,407.08 is: 39,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,763.08 : 70,055.34 = 28,407.08 : x
  2. Step 2: Convert to fraction form
    50,763.08/70,055.34 = 28,407.08/x
  3. Step 3: Cross multiply
    50,763.08x = 70,055.34 × 28,407.08
  4. Step 4: Simplify right side
    50,763.08x = 1,990,067,647.81
  5. Step 5: Solve for x
    x = 1,990,067,647.81/50,763.08
  6. Step 6: Final answer
    x = 39,203.05

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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.