Home / 86,548.10-119,361.60-56,322.54

Finding the Fourth Proportional to 86,548.10, 119,361.60 and 56,322.54

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Solution

The fourth proportional to 86,548.10, 119,361.60 and 56,322.54 is: 77,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,548.10 : 119,361.60 = 56,322.54 : x
  2. Step 2: Convert to fraction form
    86,548.10/119,361.60 = 56,322.54/x
  3. Step 3: Cross multiply
    86,548.10x = 119,361.60 × 56,322.54
  4. Step 4: Simplify right side
    86,548.10x = 6,722,748,490.46
  5. Step 5: Solve for x
    x = 6,722,748,490.46/86,548.10
  6. Step 6: Final answer
    x = 77,676.45

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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.