Home / 76,154.59-114,101.88-53,931.03

Finding the Fourth Proportional to 76,154.59, 114,101.88 and 53,931.03

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Solution

The fourth proportional to 76,154.59, 114,101.88 and 53,931.03 is: 80,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,154.59 : 114,101.88 = 53,931.03 : x
  2. Step 2: Convert to fraction form
    76,154.59/114,101.88 = 53,931.03/x
  3. Step 3: Cross multiply
    76,154.59x = 114,101.88 × 53,931.03
  4. Step 4: Simplify right side
    76,154.59x = 6,153,631,913.34
  5. Step 5: Solve for x
    x = 6,153,631,913.34/76,154.59
  6. Step 6: Final answer
    x = 80,804.48

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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.