Home / 97,091.18-145,643.05-30,533.89

Finding the Fourth Proportional to 97,091.18, 145,643.05 and 30,533.89

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Solution

The fourth proportional to 97,091.18, 145,643.05 and 30,533.89 is: 45,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,091.18 : 145,643.05 = 30,533.89 : x
  2. Step 2: Convert to fraction form
    97,091.18/145,643.05 = 30,533.89/x
  3. Step 3: Cross multiply
    97,091.18x = 145,643.05 × 30,533.89
  4. Step 4: Simplify right side
    97,091.18x = 4,447,048,542.02
  5. Step 5: Solve for x
    x = 4,447,048,542.02/97,091.18
  6. Step 6: Final answer
    x = 45,802.81

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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.