Home / 66,075.05-99,111.69-16,155.58

Finding the Fourth Proportional to 66,075.05, 99,111.69 and 16,155.58

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Solution

The fourth proportional to 66,075.05, 99,111.69 and 16,155.58 is: 24,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,075.05 : 99,111.69 = 16,155.58 : x
  2. Step 2: Convert to fraction form
    66,075.05/99,111.69 = 16,155.58/x
  3. Step 3: Cross multiply
    66,075.05x = 99,111.69 × 16,155.58
  4. Step 4: Simplify right side
    66,075.05x = 1,601,206,733.04
  5. Step 5: Solve for x
    x = 1,601,206,733.04/66,075.05
  6. Step 6: Final answer
    x = 24,233.15

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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.