Home / 65,393.18-98,090.70-18,646.06

Finding the Fourth Proportional to 65,393.18, 98,090.70 and 18,646.06

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Solution

The fourth proportional to 65,393.18, 98,090.70 and 18,646.06 is: 27,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,393.18 : 98,090.70 = 18,646.06 : x
  2. Step 2: Convert to fraction form
    65,393.18/98,090.70 = 18,646.06/x
  3. Step 3: Cross multiply
    65,393.18x = 98,090.70 × 18,646.06
  4. Step 4: Simplify right side
    65,393.18x = 1,829,005,077.64
  5. Step 5: Solve for x
    x = 1,829,005,077.64/65,393.18
  6. Step 6: Final answer
    x = 27,969.36

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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.