Home / 97,142.54-145,707.12-59,708.39

Finding the Fourth Proportional to 97,142.54, 145,707.12 and 59,708.39

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Solution

The fourth proportional to 97,142.54, 145,707.12 and 59,708.39 is: 89,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,142.54 : 145,707.12 = 59,708.39 : x
  2. Step 2: Convert to fraction form
    97,142.54/145,707.12 = 59,708.39/x
  3. Step 3: Cross multiply
    97,142.54x = 145,707.12 × 59,708.39
  4. Step 4: Simplify right side
    97,142.54x = 8,699,937,546.74
  5. Step 5: Solve for x
    x = 8,699,937,546.74/97,142.54
  6. Step 6: Final answer
    x = 89,558.47

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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.