Home / 81,336.30-112,244.05-45,526.30

Finding the Fourth Proportional to 81,336.30, 112,244.05 and 45,526.30

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Solution

The fourth proportional to 81,336.30, 112,244.05 and 45,526.30 is: 62,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,336.30 : 112,244.05 = 45,526.30 : x
  2. Step 2: Convert to fraction form
    81,336.30/112,244.05 = 45,526.30/x
  3. Step 3: Cross multiply
    81,336.30x = 112,244.05 × 45,526.30
  4. Step 4: Simplify right side
    81,336.30x = 5,110,056,293.52
  5. Step 5: Solve for x
    x = 5,110,056,293.52/81,336.30
  6. Step 6: Final answer
    x = 62,826.27

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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.