Home / 88,138.62-121,631.37-47,852.35

Finding the Fourth Proportional to 88,138.62, 121,631.37 and 47,852.35

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Solution

The fourth proportional to 88,138.62, 121,631.37 and 47,852.35 is: 66,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138.62 : 121,631.37 = 47,852.35 : x
  2. Step 2: Convert to fraction form
    88,138.62/121,631.37 = 47,852.35/x
  3. Step 3: Cross multiply
    88,138.62x = 121,631.37 × 47,852.35
  4. Step 4: Simplify right side
    88,138.62x = 5,820,346,888.22
  5. Step 5: Solve for x
    x = 5,820,346,888.22/88,138.62
  6. Step 6: Final answer
    x = 66,036.28

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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.