Home / 52,083.42-78,123.21-15,146.46

Finding the Fourth Proportional to 52,083.42, 78,123.21 and 15,146.46

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Solution

The fourth proportional to 52,083.42, 78,123.21 and 15,146.46 is: 22,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,083.42 : 78,123.21 = 15,146.46 : x
  2. Step 2: Convert to fraction form
    52,083.42/78,123.21 = 15,146.46/x
  3. Step 3: Cross multiply
    52,083.42x = 78,123.21 × 15,146.46
  4. Step 4: Simplify right side
    52,083.42x = 1,183,290,075.34
  5. Step 5: Solve for x
    x = 1,183,290,075.34/52,083.42
  6. Step 6: Final answer
    x = 22,719.13

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1.5x scale

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.