Home / 66,071.48-91,181.40-37,777.16

Finding the Fourth Proportional to 66,071.48, 91,181.40 and 37,777.16

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Solution

The fourth proportional to 66,071.48, 91,181.40 and 37,777.16 is: 52,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,071.48 : 91,181.40 = 37,777.16 : x
  2. Step 2: Convert to fraction form
    66,071.48/91,181.40 = 37,777.16/x
  3. Step 3: Cross multiply
    66,071.48x = 91,181.40 × 37,777.16
  4. Step 4: Simplify right side
    66,071.48x = 3,444,574,336.82
  5. Step 5: Solve for x
    x = 3,444,574,336.82/66,071.48
  6. Step 6: Final answer
    x = 52,134.06

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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.