Home / 66,519.06-99,725.62-38,407.23

Finding the Fourth Proportional to 66,519.06, 99,725.62 and 38,407.23

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Solution

The fourth proportional to 66,519.06, 99,725.62 and 38,407.23 is: 57,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,519.06 : 99,725.62 = 38,407.23 : x
  2. Step 2: Convert to fraction form
    66,519.06/99,725.62 = 38,407.23/x
  3. Step 3: Cross multiply
    66,519.06x = 99,725.62 × 38,407.23
  4. Step 4: Simplify right side
    66,519.06x = 3,830,184,656.20
  5. Step 5: Solve for x
    x = 3,830,184,656.20/66,519.06
  6. Step 6: Final answer
    x = 57,580.26

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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.