Home / 64,864.20-97,220.70-29,807.40

Finding the Fourth Proportional to 64,864.20, 97,220.70 and 29,807.40

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Solution

The fourth proportional to 64,864.20, 97,220.70 and 29,807.40 is: 44,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,864.20 : 97,220.70 = 29,807.40 : x
  2. Step 2: Convert to fraction form
    64,864.20/97,220.70 = 29,807.40/x
  3. Step 3: Cross multiply
    64,864.20x = 97,220.70 × 29,807.40
  4. Step 4: Simplify right side
    64,864.20x = 2,897,896,293.18
  5. Step 5: Solve for x
    x = 2,897,896,293.18/64,864.20
  6. Step 6: Final answer
    x = 44,676.36

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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.