Home / 97,132.09-145,632.53-49,630.45

Finding the Fourth Proportional to 97,132.09, 145,632.53 and 49,630.45

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Solution

The fourth proportional to 97,132.09, 145,632.53 and 49,630.45 is: 74,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,132.09 : 145,632.53 = 49,630.45 : x
  2. Step 2: Convert to fraction form
    97,132.09/145,632.53 = 49,630.45/x
  3. Step 3: Cross multiply
    97,132.09x = 145,632.53 × 49,630.45
  4. Step 4: Simplify right side
    97,132.09x = 7,227,807,750.39
  5. Step 5: Solve for x
    x = 7,227,807,750.39/97,132.09
  6. Step 6: Final answer
    x = 74,412.15

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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.