Home / 85,091.36-117,432.96-47,368.40

Finding the Fourth Proportional to 85,091.36, 117,432.96 and 47,368.40

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Solution

The fourth proportional to 85,091.36, 117,432.96 and 47,368.40 is: 65,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,091.36 : 117,432.96 = 47,368.40 : x
  2. Step 2: Convert to fraction form
    85,091.36/117,432.96 = 47,368.40/x
  3. Step 3: Cross multiply
    85,091.36x = 117,432.96 × 47,368.40
  4. Step 4: Simplify right side
    85,091.36x = 5,562,611,422.46
  5. Step 5: Solve for x
    x = 5,562,611,422.46/85,091.36
  6. Step 6: Final answer
    x = 65,372.22

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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.