Home / 52,807.99-72,872.23-30,146.08

Finding the Fourth Proportional to 52,807.99, 72,872.23 and 30,146.08

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Solution

The fourth proportional to 52,807.99, 72,872.23 and 30,146.08 is: 41,599.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,807.99 : 72,872.23 = 30,146.08 : x
  2. Step 2: Convert to fraction form
    52,807.99/72,872.23 = 30,146.08/x
  3. Step 3: Cross multiply
    52,807.99x = 72,872.23 × 30,146.08
  4. Step 4: Simplify right side
    52,807.99x = 2,196,812,075.36
  5. Step 5: Solve for x
    x = 2,196,812,075.36/52,807.99
  6. Step 6: Final answer
    x = 41,599.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.