Home / 65,070.68-97,540.40-49,455.50

Finding the Fourth Proportional to 65,070.68, 97,540.40 and 49,455.50

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Solution

The fourth proportional to 65,070.68, 97,540.40 and 49,455.50 is: 74,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,070.68 : 97,540.40 = 49,455.50 : x
  2. Step 2: Convert to fraction form
    65,070.68/97,540.40 = 49,455.50/x
  3. Step 3: Cross multiply
    65,070.68x = 97,540.40 × 49,455.50
  4. Step 4: Simplify right side
    65,070.68x = 4,823,909,252.20
  5. Step 5: Solve for x
    x = 4,823,909,252.20/65,070.68
  6. Step 6: Final answer
    x = 74,133.38

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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.