Home / 66,362.58-91,574.28-39,511.62

Finding the Fourth Proportional to 66,362.58, 91,574.28 and 39,511.62

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Solution

The fourth proportional to 66,362.58, 91,574.28 and 39,511.62 is: 54,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,362.58 : 91,574.28 = 39,511.62 : x
  2. Step 2: Convert to fraction form
    66,362.58/91,574.28 = 39,511.62/x
  3. Step 3: Cross multiply
    66,362.58x = 91,574.28 × 39,511.62
  4. Step 4: Simplify right side
    66,362.58x = 3,618,248,153.13
  5. Step 5: Solve for x
    x = 3,618,248,153.13/66,362.58
  6. Step 6: Final answer
    x = 54,522.42

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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.