Home / 78,038.22-117,083.60-24,738.90

Finding the Fourth Proportional to 78,038.22, 117,083.60 and 24,738.90

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Solution

The fourth proportional to 78,038.22, 117,083.60 and 24,738.90 is: 37,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,038.22 : 117,083.60 = 24,738.90 : x
  2. Step 2: Convert to fraction form
    78,038.22/117,083.60 = 24,738.90/x
  3. Step 3: Cross multiply
    78,038.22x = 117,083.60 × 24,738.90
  4. Step 4: Simplify right side
    78,038.22x = 2,896,519,533.89
  5. Step 5: Solve for x
    x = 2,896,519,533.89/78,038.22
  6. Step 6: Final answer
    x = 37,116.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.