Home / 89,109.64-122,968.24-53,281.04

Finding the Fourth Proportional to 89,109.64, 122,968.24 and 53,281.04

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Solution

The fourth proportional to 89,109.64, 122,968.24 and 53,281.04 is: 73,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,109.64 : 122,968.24 = 53,281.04 : x
  2. Step 2: Convert to fraction form
    89,109.64/122,968.24 = 53,281.04/x
  3. Step 3: Cross multiply
    89,109.64x = 122,968.24 × 53,281.04
  4. Step 4: Simplify right side
    89,109.64x = 6,551,875,714.17
  5. Step 5: Solve for x
    x = 6,551,875,714.17/89,109.64
  6. Step 6: Final answer
    x = 73,526.00

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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.