Home / 64,985.56-97,256.55-54,467.45

Finding the Fourth Proportional to 64,985.56, 97,256.55 and 54,467.45

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Solution

The fourth proportional to 64,985.56, 97,256.55 and 54,467.45 is: 81,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,985.56 : 97,256.55 = 54,467.45 : x
  2. Step 2: Convert to fraction form
    64,985.56/97,256.55 = 54,467.45/x
  3. Step 3: Cross multiply
    64,985.56x = 97,256.55 × 54,467.45
  4. Step 4: Simplify right side
    64,985.56x = 5,297,316,274.30
  5. Step 5: Solve for x
    x = 5,297,316,274.30/64,985.56
  6. Step 6: Final answer
    x = 81,515.28

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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.