Home / 65,095.02-97,643.34-20,721.60

Finding the Fourth Proportional to 65,095.02, 97,643.34 and 20,721.60

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Solution

The fourth proportional to 65,095.02, 97,643.34 and 20,721.60 is: 31,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,095.02 : 97,643.34 = 20,721.60 : x
  2. Step 2: Convert to fraction form
    65,095.02/97,643.34 = 20,721.60/x
  3. Step 3: Cross multiply
    65,095.02x = 97,643.34 × 20,721.60
  4. Step 4: Simplify right side
    65,095.02x = 2,023,326,234.14
  5. Step 5: Solve for x
    x = 2,023,326,234.14/65,095.02
  6. Step 6: Final answer
    x = 31,082.66

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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.