Home / 97,412.10-146,118.15-53,125.35

Finding the Fourth Proportional to 97,412.10, 146,118.15 and 53,125.35

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Solution

The fourth proportional to 97,412.10, 146,118.15 and 53,125.35 is: 79,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,412.10 : 146,118.15 = 53,125.35 : x
  2. Step 2: Convert to fraction form
    97,412.10/146,118.15 = 53,125.35/x
  3. Step 3: Cross multiply
    97,412.10x = 146,118.15 × 53,125.35
  4. Step 4: Simplify right side
    97,412.10x = 7,762,577,860.10
  5. Step 5: Solve for x
    x = 7,762,577,860.10/97,412.10
  6. Step 6: Final answer
    x = 79,688.03

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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.