Home / 64,987.62-97,439.40-42,733.59

Finding the Fourth Proportional to 64,987.62, 97,439.40 and 42,733.59

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Solution

The fourth proportional to 64,987.62, 97,439.40 and 42,733.59 is: 64,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,987.62 : 97,439.40 = 42,733.59 : x
  2. Step 2: Convert to fraction form
    64,987.62/97,439.40 = 42,733.59/x
  3. Step 3: Cross multiply
    64,987.62x = 97,439.40 × 42,733.59
  4. Step 4: Simplify right side
    64,987.62x = 4,163,935,369.45
  5. Step 5: Solve for x
    x = 4,163,935,369.45/64,987.62
  6. Step 6: Final answer
    x = 64,072.75

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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.