Home / 91,055.64-136,602.54-31,893.24

Finding the Fourth Proportional to 91,055.64, 136,602.54 and 31,893.24

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Solution

The fourth proportional to 91,055.64, 136,602.54 and 31,893.24 is: 47,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,055.64 : 136,602.54 = 31,893.24 : x
  2. Step 2: Convert to fraction form
    91,055.64/136,602.54 = 31,893.24/x
  3. Step 3: Cross multiply
    91,055.64x = 136,602.54 × 31,893.24
  4. Step 4: Simplify right side
    91,055.64x = 4,356,697,592.83
  5. Step 5: Solve for x
    x = 4,356,697,592.83/91,055.64
  6. Step 6: Final answer
    x = 47,846.54

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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.