Home / 97,359.10-145,714.65-70,629.10

Finding the Fourth Proportional to 97,359.10, 145,714.65 and 70,629.10

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Solution

The fourth proportional to 97,359.10, 145,714.65 and 70,629.10 is: 105,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,359.10 : 145,714.65 = 70,629.10 : x
  2. Step 2: Convert to fraction form
    97,359.10/145,714.65 = 70,629.10/x
  3. Step 3: Cross multiply
    97,359.10x = 145,714.65 × 70,629.10
  4. Step 4: Simplify right side
    97,359.10x = 10,291,694,586.32
  5. Step 5: Solve for x
    x = 10,291,694,586.32/97,359.10
  6. Step 6: Final answer
    x = 105,708.60

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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.