Home / 85,121.53-117,466.61-46,880.35

Finding the Fourth Proportional to 85,121.53, 117,466.61 and 46,880.35

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Solution

The fourth proportional to 85,121.53, 117,466.61 and 46,880.35 is: 64,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,121.53 : 117,466.61 = 46,880.35 : x
  2. Step 2: Convert to fraction form
    85,121.53/117,466.61 = 46,880.35/x
  3. Step 3: Cross multiply
    85,121.53x = 117,466.61 × 46,880.35
  4. Step 4: Simplify right side
    85,121.53x = 5,506,875,555.71
  5. Step 5: Solve for x
    x = 5,506,875,555.71/85,121.53
  6. Step 6: Final answer
    x = 64,694.27

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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.