Home / 81,585.36-112,577.04-45,775.26

Finding the Fourth Proportional to 81,585.36, 112,577.04 and 45,775.26

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Solution

The fourth proportional to 81,585.36, 112,577.04 and 45,775.26 is: 63,163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,585.36 : 112,577.04 = 45,775.26 : x
  2. Step 2: Convert to fraction form
    81,585.36/112,577.04 = 45,775.26/x
  3. Step 3: Cross multiply
    81,585.36x = 112,577.04 × 45,775.26
  4. Step 4: Simplify right side
    81,585.36x = 5,153,243,276.03
  5. Step 5: Solve for x
    x = 5,153,243,276.03/81,585.36
  6. Step 6: Final answer
    x = 63,163.82

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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.