Home / 66,921.76-92,394.56-59,739.08

Finding the Fourth Proportional to 66,921.76, 92,394.56 and 59,739.08

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Solution

The fourth proportional to 66,921.76, 92,394.56 and 59,739.08 is: 82,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,921.76 : 92,394.56 = 59,739.08 : x
  2. Step 2: Convert to fraction form
    66,921.76/92,394.56 = 59,739.08/x
  3. Step 3: Cross multiply
    66,921.76x = 92,394.56 × 59,739.08
  4. Step 4: Simplify right side
    66,921.76x = 5,519,565,712.71
  5. Step 5: Solve for x
    x = 5,519,565,712.71/66,921.76
  6. Step 6: Final answer
    x = 82,477.90

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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.