Home / 75,525.50-104,240.30-57,588.46

Finding the Fourth Proportional to 75,525.50, 104,240.30 and 57,588.46

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Solution

The fourth proportional to 75,525.50, 104,240.30 and 57,588.46 is: 79,483.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,525.50 : 104,240.30 = 57,588.46 : x
  2. Step 2: Convert to fraction form
    75,525.50/104,240.30 = 57,588.46/x
  3. Step 3: Cross multiply
    75,525.50x = 104,240.30 × 57,588.46
  4. Step 4: Simplify right side
    75,525.50x = 6,003,037,798.39
  5. Step 5: Solve for x
    x = 6,003,037,798.39/75,525.50
  6. Step 6: Final answer
    x = 79,483.59

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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.