Home / 92,090.08-127,066.56-66,636.16

Finding the Fourth Proportional to 92,090.08, 127,066.56 and 66,636.16

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Solution

The fourth proportional to 92,090.08, 127,066.56 and 66,636.16 is: 91,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,090.08 : 127,066.56 = 66,636.16 : x
  2. Step 2: Convert to fraction form
    92,090.08/127,066.56 = 66,636.16/x
  3. Step 3: Cross multiply
    92,090.08x = 127,066.56 × 66,636.16
  4. Step 4: Simplify right side
    92,090.08x = 8,467,227,622.81
  5. Step 5: Solve for x
    x = 8,467,227,622.81/92,090.08
  6. Step 6: Final answer
    x = 91,945.06

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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.