Home / 66,500.51-91,774.22-38,208.02

Finding the Fourth Proportional to 66,500.51, 91,774.22 and 38,208.02

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Solution

The fourth proportional to 66,500.51, 91,774.22 and 38,208.02 is: 52,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,500.51 : 91,774.22 = 38,208.02 : x
  2. Step 2: Convert to fraction form
    66,500.51/91,774.22 = 38,208.02/x
  3. Step 3: Cross multiply
    66,500.51x = 91,774.22 × 38,208.02
  4. Step 4: Simplify right side
    66,500.51x = 3,506,510,583.33
  5. Step 5: Solve for x
    x = 3,506,510,583.33/66,500.51
  6. Step 6: Final answer
    x = 52,729.08

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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.