Home / 66,598.15-91,907.25-39,756.23

Finding the Fourth Proportional to 66,598.15, 91,907.25 and 39,756.23

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Solution

The fourth proportional to 66,598.15, 91,907.25 and 39,756.23 is: 54,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,598.15 : 91,907.25 = 39,756.23 : x
  2. Step 2: Convert to fraction form
    66,598.15/91,907.25 = 39,756.23/x
  3. Step 3: Cross multiply
    66,598.15x = 91,907.25 × 39,756.23
  4. Step 4: Simplify right side
    66,598.15x = 3,653,886,246.30
  5. Step 5: Solve for x
    x = 3,653,886,246.30/66,598.15
  6. Step 6: Final answer
    x = 54,864.68

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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.