Home / 66,518.77-99,774.51-40,216.45

Finding the Fourth Proportional to 66,518.77, 99,774.51 and 40,216.45

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Solution

The fourth proportional to 66,518.77, 99,774.51 and 40,216.45 is: 60,322.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,518.77 : 99,774.51 = 40,216.45 : x
  2. Step 2: Convert to fraction form
    66,518.77/99,774.51 = 40,216.45/x
  3. Step 3: Cross multiply
    66,518.77x = 99,774.51 × 40,216.45
  4. Step 4: Simplify right side
    66,518.77x = 4,012,576,592.69
  5. Step 5: Solve for x
    x = 4,012,576,592.69/66,518.77
  6. Step 6: Final answer
    x = 60,322.47

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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.