Home / 47,075.99-64,964.57-28,213.11

Finding the Fourth Proportional to 47,075.99, 64,964.57 and 28,213.11

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Solution

The fourth proportional to 47,075.99, 64,964.57 and 28,213.11 is: 38,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,075.99 : 64,964.57 = 28,213.11 : x
  2. Step 2: Convert to fraction form
    47,075.99/64,964.57 = 28,213.11/x
  3. Step 3: Cross multiply
    47,075.99x = 64,964.57 × 28,213.11
  4. Step 4: Simplify right side
    47,075.99x = 1,832,852,418.45
  5. Step 5: Solve for x
    x = 1,832,852,418.45/47,075.99
  6. Step 6: Final answer
    x = 38,933.92

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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.