Home / 97,476.08-145,881.46-81,698.93

Finding the Fourth Proportional to 97,476.08, 145,881.46 and 81,698.93

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Solution

The fourth proportional to 97,476.08, 145,881.46 and 81,698.93 is: 122,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,476.08 : 145,881.46 = 81,698.93 : x
  2. Step 2: Convert to fraction form
    97,476.08/145,881.46 = 81,698.93/x
  3. Step 3: Cross multiply
    97,476.08x = 145,881.46 × 81,698.93
  4. Step 4: Simplify right side
    97,476.08x = 11,918,358,255.18
  5. Step 5: Solve for x
    x = 11,918,358,255.18/97,476.08
  6. Step 6: Final answer
    x = 122,269.57

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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.