Home / 64,840.12-89,457.42-52,882.68

Finding the Fourth Proportional to 64,840.12, 89,457.42 and 52,882.68

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Solution

The fourth proportional to 64,840.12, 89,457.42 and 52,882.68 is: 72,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,840.12 : 89,457.42 = 52,882.68 : x
  2. Step 2: Convert to fraction form
    64,840.12/89,457.42 = 52,882.68/x
  3. Step 3: Cross multiply
    64,840.12x = 89,457.42 × 52,882.68
  4. Step 4: Simplify right side
    64,840.12x = 4,730,748,115.49
  5. Step 5: Solve for x
    x = 4,730,748,115.49/64,840.12
  6. Step 6: Final answer
    x = 72,960.20

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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.