Home / 97,109.08-145,545.54-52,630.36

Finding the Fourth Proportional to 97,109.08, 145,545.54 and 52,630.36

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Solution

The fourth proportional to 97,109.08, 145,545.54 and 52,630.36 is: 78,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,109.08 : 145,545.54 = 52,630.36 : x
  2. Step 2: Convert to fraction form
    97,109.08/145,545.54 = 52,630.36/x
  3. Step 3: Cross multiply
    97,109.08x = 145,545.54 × 52,630.36
  4. Step 4: Simplify right side
    97,109.08x = 7,660,114,166.59
  5. Step 5: Solve for x
    x = 7,660,114,166.59/97,109.08
  6. Step 6: Final answer
    x = 78,881.54

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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.