Home / 88,985.58-122,787.99-53,168.01

Finding the Fourth Proportional to 88,985.58, 122,787.99 and 53,168.01

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Solution

The fourth proportional to 88,985.58, 122,787.99 and 53,168.01 is: 73,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,985.58 : 122,787.99 = 53,168.01 : x
  2. Step 2: Convert to fraction form
    88,985.58/122,787.99 = 53,168.01/x
  3. Step 3: Cross multiply
    88,985.58x = 122,787.99 × 53,168.01
  4. Step 4: Simplify right side
    88,985.58x = 6,528,393,080.20
  5. Step 5: Solve for x
    x = 6,528,393,080.20/88,985.58
  6. Step 6: Final answer
    x = 73,364.62

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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.