Home / 97,172.94-145,626.36-49,688.71

Finding the Fourth Proportional to 97,172.94, 145,626.36 and 49,688.71

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Solution

The fourth proportional to 97,172.94, 145,626.36 and 49,688.71 is: 74,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,172.94 : 145,626.36 = 49,688.71 : x
  2. Step 2: Convert to fraction form
    97,172.94/145,626.36 = 49,688.71/x
  3. Step 3: Cross multiply
    97,172.94x = 145,626.36 × 49,688.71
  4. Step 4: Simplify right side
    97,172.94x = 7,235,985,970.40
  5. Step 5: Solve for x
    x = 7,235,985,970.40/97,172.94
  6. Step 6: Final answer
    x = 74,465.03

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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.