Home / 97,131.59-145,631.78-49,629.95

Finding the Fourth Proportional to 97,131.59, 145,631.78 and 49,629.95

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Solution

The fourth proportional to 97,131.59, 145,631.78 and 49,629.95 is: 74,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,131.59 : 145,631.78 = 49,629.95 : x
  2. Step 2: Convert to fraction form
    97,131.59/145,631.78 = 49,629.95/x
  3. Step 3: Cross multiply
    97,131.59x = 145,631.78 × 49,629.95
  4. Step 4: Simplify right side
    97,131.59x = 7,227,697,711.66
  5. Step 5: Solve for x
    x = 7,227,697,711.66/97,131.59
  6. Step 6: Final answer
    x = 74,411.40

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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.