Home / 76,075.32-114,104.34-20,675.64

Finding the Fourth Proportional to 76,075.32, 114,104.34 and 20,675.64

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Solution

The fourth proportional to 76,075.32, 114,104.34 and 20,675.64 is: 31,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,075.32 : 114,104.34 = 20,675.64 : x
  2. Step 2: Convert to fraction form
    76,075.32/114,104.34 = 20,675.64/x
  3. Step 3: Cross multiply
    76,075.32x = 114,104.34 × 20,675.64
  4. Step 4: Simplify right side
    76,075.32x = 2,359,180,256.28
  5. Step 5: Solve for x
    x = 2,359,180,256.28/76,075.32
  6. Step 6: Final answer
    x = 31,011.11

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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.