Home / 52,075.32-78,113.43-12,632.46

Finding the Fourth Proportional to 52,075.32, 78,113.43 and 12,632.46

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Solution

The fourth proportional to 52,075.32, 78,113.43 and 12,632.46 is: 18,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,075.32 : 78,113.43 = 12,632.46 : x
  2. Step 2: Convert to fraction form
    52,075.32/78,113.43 = 12,632.46/x
  3. Step 3: Cross multiply
    52,075.32x = 78,113.43 × 12,632.46
  4. Step 4: Simplify right side
    52,075.32x = 986,764,779.94
  5. Step 5: Solve for x
    x = 986,764,779.94/52,075.32
  6. Step 6: Final answer
    x = 18,948.80

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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.