Home / 65,810.24-90,818.14-37,135.98

Finding the Fourth Proportional to 65,810.24, 90,818.14 and 37,135.98

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Solution

The fourth proportional to 65,810.24, 90,818.14 and 37,135.98 is: 51,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,810.24 : 90,818.14 = 37,135.98 : x
  2. Step 2: Convert to fraction form
    65,810.24/90,818.14 = 37,135.98/x
  3. Step 3: Cross multiply
    65,810.24x = 90,818.14 × 37,135.98
  4. Step 4: Simplify right side
    65,810.24x = 3,372,620,630.68
  5. Step 5: Solve for x
    x = 3,372,620,630.68/65,810.24
  6. Step 6: Final answer
    x = 51,247.66

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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.