Home / 78,990.37-109,007.43-44,998.35

Finding the Fourth Proportional to 78,990.37, 109,007.43 and 44,998.35

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Solution

The fourth proportional to 78,990.37, 109,007.43 and 44,998.35 is: 62,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,990.37 : 109,007.43 = 44,998.35 : x
  2. Step 2: Convert to fraction form
    78,990.37/109,007.43 = 44,998.35/x
  3. Step 3: Cross multiply
    78,990.37x = 109,007.43 × 44,998.35
  4. Step 4: Simplify right side
    78,990.37x = 4,905,154,487.74
  5. Step 5: Solve for x
    x = 4,905,154,487.74/78,990.37
  6. Step 6: Final answer
    x = 62,098.13

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1.5x scale

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.