Home / 81,525.40-112,528.74-52,844.20

Finding the Fourth Proportional to 81,525.40, 112,528.74 and 52,844.20

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Solution

The fourth proportional to 81,525.40, 112,528.74 and 52,844.20 is: 72,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,525.40 : 112,528.74 = 52,844.20 : x
  2. Step 2: Convert to fraction form
    81,525.40/112,528.74 = 52,844.20/x
  3. Step 3: Cross multiply
    81,525.40x = 112,528.74 × 52,844.20
  4. Step 4: Simplify right side
    81,525.40x = 5,946,491,242.31
  5. Step 5: Solve for x
    x = 5,946,491,242.31/81,525.40
  6. Step 6: Final answer
    x = 72,940.35

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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.