Home / 84,048.36-115,985.21-45,808.26

Finding the Fourth Proportional to 84,048.36, 115,985.21 and 45,808.26

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Solution

The fourth proportional to 84,048.36, 115,985.21 and 45,808.26 is: 63,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,048.36 : 115,985.21 = 45,808.26 : x
  2. Step 2: Convert to fraction form
    84,048.36/115,985.21 = 45,808.26/x
  3. Step 3: Cross multiply
    84,048.36x = 115,985.21 × 45,808.26
  4. Step 4: Simplify right side
    84,048.36x = 5,313,080,655.83
  5. Step 5: Solve for x
    x = 5,313,080,655.83/84,048.36
  6. Step 6: Final answer
    x = 63,214.57

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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.