Home / 97,112.81-145,457.78-47,087.01

Finding the Fourth Proportional to 97,112.81, 145,457.78 and 47,087.01

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Solution

The fourth proportional to 97,112.81, 145,457.78 and 47,087.01 is: 70,527.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,112.81 : 145,457.78 = 47,087.01 : x
  2. Step 2: Convert to fraction form
    97,112.81/145,457.78 = 47,087.01/x
  3. Step 3: Cross multiply
    97,112.81x = 145,457.78 × 47,087.01
  4. Step 4: Simplify right side
    97,112.81x = 6,849,171,706.00
  5. Step 5: Solve for x
    x = 6,849,171,706.00/97,112.81
  6. Step 6: Final answer
    x = 70,527.99

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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.