Home / 64,985.02-89,669.18-36,690.10

Finding the Fourth Proportional to 64,985.02, 89,669.18 and 36,690.10

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Solution

The fourth proportional to 64,985.02, 89,669.18 and 36,690.10 is: 50,626.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,985.02 : 89,669.18 = 36,690.10 : x
  2. Step 2: Convert to fraction form
    64,985.02/89,669.18 = 36,690.10/x
  3. Step 3: Cross multiply
    64,985.02x = 89,669.18 × 36,690.10
  4. Step 4: Simplify right side
    64,985.02x = 3,289,971,181.12
  5. Step 5: Solve for x
    x = 3,289,971,181.12/64,985.02
  6. Step 6: Final answer
    x = 50,626.61

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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.