Home / 65,255.32-90,051.33-36,574.93

Finding the Fourth Proportional to 65,255.32, 90,051.33 and 36,574.93

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Solution

The fourth proportional to 65,255.32, 90,051.33 and 36,574.93 is: 50,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,255.32 : 90,051.33 = 36,574.93 : x
  2. Step 2: Convert to fraction form
    65,255.32/90,051.33 = 36,574.93/x
  3. Step 3: Cross multiply
    65,255.32x = 90,051.33 × 36,574.93
  4. Step 4: Simplify right side
    65,255.32x = 3,293,621,091.16
  5. Step 5: Solve for x
    x = 3,293,621,091.16/65,255.32
  6. Step 6: Final answer
    x = 50,472.84

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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.