Home / 65,927.10-98,903.38-21,541.88

Finding the Fourth Proportional to 65,927.10, 98,903.38 and 21,541.88

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Solution

The fourth proportional to 65,927.10, 98,903.38 and 21,541.88 is: 32,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,927.10 : 98,903.38 = 21,541.88 : x
  2. Step 2: Convert to fraction form
    65,927.10/98,903.38 = 21,541.88/x
  3. Step 3: Cross multiply
    65,927.10x = 98,903.38 × 21,541.88
  4. Step 4: Simplify right side
    65,927.10x = 2,130,564,743.55
  5. Step 5: Solve for x
    x = 2,130,564,743.55/65,927.10
  6. Step 6: Final answer
    x = 32,316.98

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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.