Home / 66,655.83-91,985.23-36,441.51

Finding the Fourth Proportional to 66,655.83, 91,985.23 and 36,441.51

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Solution

The fourth proportional to 66,655.83, 91,985.23 and 36,441.51 is: 50,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,655.83 : 91,985.23 = 36,441.51 : x
  2. Step 2: Convert to fraction form
    66,655.83/91,985.23 = 36,441.51/x
  3. Step 3: Cross multiply
    66,655.83x = 91,985.23 × 36,441.51
  4. Step 4: Simplify right side
    66,655.83x = 3,352,080,678.90
  5. Step 5: Solve for x
    x = 3,352,080,678.90/66,655.83
  6. Step 6: Final answer
    x = 50,289.38

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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.