Home / 64,424.48-96,639.78-53,158.94

Finding the Fourth Proportional to 64,424.48, 96,639.78 and 53,158.94

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Solution

The fourth proportional to 64,424.48, 96,639.78 and 53,158.94 is: 79,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,424.48 : 96,639.78 = 53,158.94 : x
  2. Step 2: Convert to fraction form
    64,424.48/96,639.78 = 53,158.94/x
  3. Step 3: Cross multiply
    64,424.48x = 96,639.78 × 53,158.94
  4. Step 4: Simplify right side
    64,424.48x = 5,137,268,266.63
  5. Step 5: Solve for x
    x = 5,137,268,266.63/64,424.48
  6. Step 6: Final answer
    x = 79,740.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.