Home / 52,075.18-78,113.12-18,771.93

Finding the Fourth Proportional to 52,075.18, 78,113.12 and 18,771.93

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Solution

The fourth proportional to 52,075.18, 78,113.12 and 18,771.93 is: 28,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,075.18 : 78,113.12 = 18,771.93 : x
  2. Step 2: Convert to fraction form
    52,075.18/78,113.12 = 18,771.93/x
  3. Step 3: Cross multiply
    52,075.18x = 78,113.12 × 18,771.93
  4. Step 4: Simplify right side
    52,075.18x = 1,466,334,020.72
  5. Step 5: Solve for x
    x = 1,466,334,020.72/52,075.18
  6. Step 6: Final answer
    x = 28,158.02

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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.