Home / 104,983.40-157,475.10-42,698.60

Finding the Fourth Proportional to 104,983.40, 157,475.10 and 42,698.60

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Solution

The fourth proportional to 104,983.40, 157,475.10 and 42,698.60 is: 64,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,983.40 : 157,475.10 = 42,698.60 : x
  2. Step 2: Convert to fraction form
    104,983.40/157,475.10 = 42,698.60/x
  3. Step 3: Cross multiply
    104,983.40x = 157,475.10 × 42,698.60
  4. Step 4: Simplify right side
    104,983.40x = 6,723,966,304.86
  5. Step 5: Solve for x
    x = 6,723,966,304.86/104,983.40
  6. Step 6: Final answer
    x = 64,047.90

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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.