Home / 52,075.40-78,107.52-14,636.72

Finding the Fourth Proportional to 52,075.40, 78,107.52 and 14,636.72

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Solution

The fourth proportional to 52,075.40, 78,107.52 and 14,636.72 is: 21,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,075.40 : 78,107.52 = 14,636.72 : x
  2. Step 2: Convert to fraction form
    52,075.40/78,107.52 = 14,636.72/x
  3. Step 3: Cross multiply
    52,075.40x = 78,107.52 × 14,636.72
  4. Step 4: Simplify right side
    52,075.40x = 1,143,237,900.13
  5. Step 5: Solve for x
    x = 1,143,237,900.13/52,075.40
  6. Step 6: Final answer
    x = 21,953.51

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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.