Home / 115,455.02-159,330.62-64,466.02

Finding the Fourth Proportional to 115,455.02, 159,330.62 and 64,466.02

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Solution

The fourth proportional to 115,455.02, 159,330.62 and 64,466.02 is: 88,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,455.02 : 159,330.62 = 64,466.02 : x
  2. Step 2: Convert to fraction form
    115,455.02/159,330.62 = 64,466.02/x
  3. Step 3: Cross multiply
    115,455.02x = 159,330.62 × 64,466.02
  4. Step 4: Simplify right side
    115,455.02x = 10,271,411,295.86
  5. Step 5: Solve for x
    x = 10,271,411,295.86/115,455.02
  6. Step 6: Final answer
    x = 88,964.62

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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.