Home / 64,988.02-89,673.32-36,693.10

Finding the Fourth Proportional to 64,988.02, 89,673.32 and 36,693.10

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Solution

The fourth proportional to 64,988.02, 89,673.32 and 36,693.10 is: 50,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,988.02 : 89,673.32 = 36,693.10 : x
  2. Step 2: Convert to fraction form
    64,988.02/89,673.32 = 36,693.10/x
  3. Step 3: Cross multiply
    64,988.02x = 89,673.32 × 36,693.10
  4. Step 4: Simplify right side
    64,988.02x = 3,290,392,098.09
  5. Step 5: Solve for x
    x = 3,290,392,098.09/64,988.02
  6. Step 6: Final answer
    x = 50,630.75

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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.