Home / 94,430.80-130,314.32-51,989.36

Finding the Fourth Proportional to 94,430.80, 130,314.32 and 51,989.36

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Solution

The fourth proportional to 94,430.80, 130,314.32 and 51,989.36 is: 71,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,430.80 : 130,314.32 = 51,989.36 : x
  2. Step 2: Convert to fraction form
    94,430.80/130,314.32 = 51,989.36/x
  3. Step 3: Cross multiply
    94,430.80x = 130,314.32 × 51,989.36
  4. Step 4: Simplify right side
    94,430.80x = 6,774,958,095.64
  5. Step 5: Solve for x
    x = 6,774,958,095.64/94,430.80
  6. Step 6: Final answer
    x = 71,745.22

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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.