Home / 102,037.26-140,881.50-63,813.36

Finding the Fourth Proportional to 102,037.26, 140,881.50 and 63,813.36

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Solution

The fourth proportional to 102,037.26, 140,881.50 and 63,813.36 is: 88,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,037.26 : 140,881.50 = 63,813.36 : x
  2. Step 2: Convert to fraction form
    102,037.26/140,881.50 = 63,813.36/x
  3. Step 3: Cross multiply
    102,037.26x = 140,881.50 × 63,813.36
  4. Step 4: Simplify right side
    102,037.26x = 8,990,121,876.84
  5. Step 5: Solve for x
    x = 8,990,121,876.84/102,037.26
  6. Step 6: Final answer
    x = 88,106.27

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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.