Home / 64,864.45-89,466.94-42,161.57

Finding the Fourth Proportional to 64,864.45, 89,466.94 and 42,161.57

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Solution

The fourth proportional to 64,864.45, 89,466.94 and 42,161.57 is: 58,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,864.45 : 89,466.94 = 42,161.57 : x
  2. Step 2: Convert to fraction form
    64,864.45/89,466.94 = 42,161.57/x
  3. Step 3: Cross multiply
    64,864.45x = 89,466.94 × 42,161.57
  4. Step 4: Simplify right side
    64,864.45x = 3,772,066,265.29
  5. Step 5: Solve for x
    x = 3,772,066,265.29/64,864.45
  6. Step 6: Final answer
    x = 58,153.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.