Home / 52,082.16-78,119.26-18,802.24

Finding the Fourth Proportional to 52,082.16, 78,119.26 and 18,802.24

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Solution

The fourth proportional to 52,082.16, 78,119.26 and 18,802.24 is: 28,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,082.16 : 78,119.26 = 18,802.24 : x
  2. Step 2: Convert to fraction form
    52,082.16/78,119.26 = 18,802.24/x
  3. Step 3: Cross multiply
    52,082.16x = 78,119.26 × 18,802.24
  4. Step 4: Simplify right side
    52,082.16x = 1,468,817,075.14
  5. Step 5: Solve for x
    x = 1,468,817,075.14/52,082.16
  6. Step 6: Final answer
    x = 28,201.92

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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.