Home / 64,814.15-89,484.81-52,905.80

Finding the Fourth Proportional to 64,814.15, 89,484.81 and 52,905.80

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Solution

The fourth proportional to 64,814.15, 89,484.81 and 52,905.80 is: 73,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,814.15 : 89,484.81 = 52,905.80 : x
  2. Step 2: Convert to fraction form
    64,814.15/89,484.81 = 52,905.80/x
  3. Step 3: Cross multiply
    64,814.15x = 89,484.81 × 52,905.80
  4. Step 4: Simplify right side
    64,814.15x = 4,734,265,460.90
  5. Step 5: Solve for x
    x = 4,734,265,460.90/64,814.15
  6. Step 6: Final answer
    x = 73,043.70

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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.