Home / 104,913.40-157,416.61-54,981.62

Finding the Fourth Proportional to 104,913.40, 157,416.61 and 54,981.62

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Solution

The fourth proportional to 104,913.40, 157,416.61 and 54,981.62 is: 82,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,913.40 : 157,416.61 = 54,981.62 : x
  2. Step 2: Convert to fraction form
    104,913.40/157,416.61 = 54,981.62/x
  3. Step 3: Cross multiply
    104,913.40x = 157,416.61 × 54,981.62
  4. Step 4: Simplify right side
    104,913.40x = 8,655,020,232.71
  5. Step 5: Solve for x
    x = 8,655,020,232.71/104,913.40
  6. Step 6: Final answer
    x = 82,496.80

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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.