Home / 65,953.17-98,943.60-21,576.45

Finding the Fourth Proportional to 65,953.17, 98,943.60 and 21,576.45

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Solution

The fourth proportional to 65,953.17, 98,943.60 and 21,576.45 is: 32,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,953.17 : 98,943.60 = 21,576.45 : x
  2. Step 2: Convert to fraction form
    65,953.17/98,943.60 = 21,576.45/x
  3. Step 3: Cross multiply
    65,953.17x = 98,943.60 × 21,576.45
  4. Step 4: Simplify right side
    65,953.17x = 2,134,851,638.22
  5. Step 5: Solve for x
    x = 2,134,851,638.22/65,953.17
  6. Step 6: Final answer
    x = 32,369.20

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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.