Home / 79,510.37-109,611.38-63,235.00

Finding the Fourth Proportional to 79,510.37, 109,611.38 and 63,235.00

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Solution

The fourth proportional to 79,510.37, 109,611.38 and 63,235.00 is: 87,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,510.37 : 109,611.38 = 63,235.00 : x
  2. Step 2: Convert to fraction form
    79,510.37/109,611.38 = 63,235.00/x
  3. Step 3: Cross multiply
    79,510.37x = 109,611.38 × 63,235.00
  4. Step 4: Simplify right side
    79,510.37x = 6,931,275,498.36
  5. Step 5: Solve for x
    x = 6,931,275,498.36/79,510.37
  6. Step 6: Final answer
    x = 87,174.48

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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.