Home / 85,525.08-118,014.36-47,279.48

Finding the Fourth Proportional to 85,525.08, 118,014.36 and 47,279.48

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Solution

The fourth proportional to 85,525.08, 118,014.36 and 47,279.48 is: 65,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,525.08 : 118,014.36 = 47,279.48 : x
  2. Step 2: Convert to fraction form
    85,525.08/118,014.36 = 47,279.48/x
  3. Step 3: Cross multiply
    85,525.08x = 118,014.36 × 47,279.48
  4. Step 4: Simplify right side
    85,525.08x = 5,579,657,573.33
  5. Step 5: Solve for x
    x = 5,579,657,573.33/85,525.08
  6. Step 6: Final answer
    x = 65,240.02

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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.