Home / 78,544.96-108,395.84-45,011.04

Finding the Fourth Proportional to 78,544.96, 108,395.84 and 45,011.04

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Solution

The fourth proportional to 78,544.96, 108,395.84 and 45,011.04 is: 62,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,544.96 : 108,395.84 = 45,011.04 : x
  2. Step 2: Convert to fraction form
    78,544.96/108,395.84 = 45,011.04/x
  3. Step 3: Cross multiply
    78,544.96x = 108,395.84 × 45,011.04
  4. Step 4: Simplify right side
    78,544.96x = 4,879,009,490.07
  5. Step 5: Solve for x
    x = 4,879,009,490.07/78,544.96
  6. Step 6: Final answer
    x = 62,117.41

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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.