Home / 104,633.10-156,949.65-38,075.40

Finding the Fourth Proportional to 104,633.10, 156,949.65 and 38,075.40

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Solution

The fourth proportional to 104,633.10, 156,949.65 and 38,075.40 is: 57,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,633.10 : 156,949.65 = 38,075.40 : x
  2. Step 2: Convert to fraction form
    104,633.10/156,949.65 = 38,075.40/x
  3. Step 3: Cross multiply
    104,633.10x = 156,949.65 × 38,075.40
  4. Step 4: Simplify right side
    104,633.10x = 5,975,920,703.61
  5. Step 5: Solve for x
    x = 5,975,920,703.61/104,633.10
  6. Step 6: Final answer
    x = 57,113.10

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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.