Home / 85,803.36-118,408.52-48,077.88

Finding the Fourth Proportional to 85,803.36, 118,408.52 and 48,077.88

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Solution

The fourth proportional to 85,803.36, 118,408.52 and 48,077.88 is: 66,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,803.36 : 118,408.52 = 48,077.88 : x
  2. Step 2: Convert to fraction form
    85,803.36/118,408.52 = 48,077.88/x
  3. Step 3: Cross multiply
    85,803.36x = 118,408.52 × 48,077.88
  4. Step 4: Simplify right side
    85,803.36x = 5,692,830,615.54
  5. Step 5: Solve for x
    x = 5,692,830,615.54/85,803.36
  6. Step 6: Final answer
    x = 66,347.41

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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.