Home / 66,669.96-92,027.72-38,386.92

Finding the Fourth Proportional to 66,669.96, 92,027.72 and 38,386.92

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Solution

The fourth proportional to 66,669.96, 92,027.72 and 38,386.92 is: 52,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,669.96 : 92,027.72 = 38,386.92 : x
  2. Step 2: Convert to fraction form
    66,669.96/92,027.72 = 38,386.92/x
  3. Step 3: Cross multiply
    66,669.96x = 92,027.72 × 38,386.92
  4. Step 4: Simplify right side
    66,669.96x = 3,532,660,533.49
  5. Step 5: Solve for x
    x = 3,532,660,533.49/66,669.96
  6. Step 6: Final answer
    x = 52,987.29

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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.