Home / 81,460.07-112,409.23-45,161.23

Finding the Fourth Proportional to 81,460.07, 112,409.23 and 45,161.23

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Solution

The fourth proportional to 81,460.07, 112,409.23 and 45,161.23 is: 62,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,460.07 : 112,409.23 = 45,161.23 : x
  2. Step 2: Convert to fraction form
    81,460.07/112,409.23 = 45,161.23/x
  3. Step 3: Cross multiply
    81,460.07x = 112,409.23 × 45,161.23
  4. Step 4: Simplify right side
    81,460.07x = 5,076,539,090.15
  5. Step 5: Solve for x
    x = 5,076,539,090.15/81,460.07
  6. Step 6: Final answer
    x = 62,319.36

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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.