Home / 66,436.20-99,632.70-22,055.40

Finding the Fourth Proportional to 66,436.20, 99,632.70 and 22,055.40

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Solution

The fourth proportional to 66,436.20, 99,632.70 and 22,055.40 is: 33,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436.20 : 99,632.70 = 22,055.40 : x
  2. Step 2: Convert to fraction form
    66,436.20/99,632.70 = 22,055.40/x
  3. Step 3: Cross multiply
    66,436.20x = 99,632.70 × 22,055.40
  4. Step 4: Simplify right side
    66,436.20x = 2,197,439,051.58
  5. Step 5: Solve for x
    x = 2,197,439,051.58/66,436.20
  6. Step 6: Final answer
    x = 33,075.93

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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.