Home / 76,381.40-114,588.30-23,075.30

Finding the Fourth Proportional to 76,381.40, 114,588.30 and 23,075.30

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Solution

The fourth proportional to 76,381.40, 114,588.30 and 23,075.30 is: 34,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,381.40 : 114,588.30 = 23,075.30 : x
  2. Step 2: Convert to fraction form
    76,381.40/114,588.30 = 23,075.30/x
  3. Step 3: Cross multiply
    76,381.40x = 114,588.30 × 23,075.30
  4. Step 4: Simplify right side
    76,381.40x = 2,644,159,398.99
  5. Step 5: Solve for x
    x = 2,644,159,398.99/76,381.40
  6. Step 6: Final answer
    x = 34,617.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.