Home / 85,113.65-117,455.74-46,872.47

Finding the Fourth Proportional to 85,113.65, 117,455.74 and 46,872.47

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Solution

The fourth proportional to 85,113.65, 117,455.74 and 46,872.47 is: 64,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,113.65 : 117,455.74 = 46,872.47 : x
  2. Step 2: Convert to fraction form
    85,113.65/117,455.74 = 46,872.47/x
  3. Step 3: Cross multiply
    85,113.65x = 117,455.74 × 46,872.47
  4. Step 4: Simplify right side
    85,113.65x = 5,505,440,825.94
  5. Step 5: Solve for x
    x = 5,505,440,825.94/85,113.65
  6. Step 6: Final answer
    x = 64,683.40

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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.