Home / 85,068.10-117,391.53-47,341.54

Finding the Fourth Proportional to 85,068.10, 117,391.53 and 47,341.54

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Solution

The fourth proportional to 85,068.10, 117,391.53 and 47,341.54 is: 65,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,068.10 : 117,391.53 = 47,341.54 : x
  2. Step 2: Convert to fraction form
    85,068.10/117,391.53 = 47,341.54/x
  3. Step 3: Cross multiply
    85,068.10x = 117,391.53 × 47,341.54
  4. Step 4: Simplify right side
    85,068.10x = 5,557,495,813.16
  5. Step 5: Solve for x
    x = 5,557,495,813.16/85,068.10
  6. Step 6: Final answer
    x = 65,329.96

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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.