Home / 79,038.46-109,075.22-43,230.58

Finding the Fourth Proportional to 79,038.46, 109,075.22 and 43,230.58

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Solution

The fourth proportional to 79,038.46, 109,075.22 and 43,230.58 is: 59,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,038.46 : 109,075.22 = 43,230.58 : x
  2. Step 2: Convert to fraction form
    79,038.46/109,075.22 = 43,230.58/x
  3. Step 3: Cross multiply
    79,038.46x = 109,075.22 × 43,230.58
  4. Step 4: Simplify right side
    79,038.46x = 4,715,385,024.23
  5. Step 5: Solve for x
    x = 4,715,385,024.23/79,038.46
  6. Step 6: Final answer
    x = 59,659.37

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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.