Home / 94,351.18-130,303.74-71,690.62

Finding the Fourth Proportional to 94,351.18, 130,303.74 and 71,690.62

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Solution

The fourth proportional to 94,351.18, 130,303.74 and 71,690.62 is: 99,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,351.18 : 130,303.74 = 71,690.62 : x
  2. Step 2: Convert to fraction form
    94,351.18/130,303.74 = 71,690.62/x
  3. Step 3: Cross multiply
    94,351.18x = 130,303.74 × 71,690.62
  4. Step 4: Simplify right side
    94,351.18x = 9,341,555,908.92
  5. Step 5: Solve for x
    x = 9,341,555,908.92/94,351.18
  6. Step 6: Final answer
    x = 99,008.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.