Home / 85,088.74-117,433.48-48,804.34

Finding the Fourth Proportional to 85,088.74, 117,433.48 and 48,804.34

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Solution

The fourth proportional to 85,088.74, 117,433.48 and 48,804.34 is: 67,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,088.74 : 117,433.48 = 48,804.34 : x
  2. Step 2: Convert to fraction form
    85,088.74/117,433.48 = 48,804.34/x
  3. Step 3: Cross multiply
    85,088.74x = 117,433.48 × 48,804.34
  4. Step 4: Simplify right side
    85,088.74x = 5,731,263,485.30
  5. Step 5: Solve for x
    x = 5,731,263,485.30/85,088.74
  6. Step 6: Final answer
    x = 67,356.31

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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.