Home / 99,238.64-148,857.74-43,071.47

Finding the Fourth Proportional to 99,238.64, 148,857.74 and 43,071.47

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Solution

The fourth proportional to 99,238.64, 148,857.74 and 43,071.47 is: 64,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,238.64 : 148,857.74 = 43,071.47 : x
  2. Step 2: Convert to fraction form
    99,238.64/148,857.74 = 43,071.47/x
  3. Step 3: Cross multiply
    99,238.64x = 148,857.74 × 43,071.47
  4. Step 4: Simplify right side
    99,238.64x = 6,411,521,800.86
  5. Step 5: Solve for x
    x = 6,411,521,800.86/99,238.64
  6. Step 6: Final answer
    x = 64,607.11

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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.