Home / 64,491.02-89,000.43-40,608.62

Finding the Fourth Proportional to 64,491.02, 89,000.43 and 40,608.62

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Solution

The fourth proportional to 64,491.02, 89,000.43 and 40,608.62 is: 56,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,491.02 : 89,000.43 = 40,608.62 : x
  2. Step 2: Convert to fraction form
    64,491.02/89,000.43 = 40,608.62/x
  3. Step 3: Cross multiply
    64,491.02x = 89,000.43 × 40,608.62
  4. Step 4: Simplify right side
    64,491.02x = 3,614,184,641.71
  5. Step 5: Solve for x
    x = 3,614,184,641.71/64,491.02
  6. Step 6: Final answer
    x = 56,041.67

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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.