Home / 84,880.85-117,145.71-50,908.03

Finding the Fourth Proportional to 84,880.85, 117,145.71 and 50,908.03

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Solution

The fourth proportional to 84,880.85, 117,145.71 and 50,908.03 is: 70,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,880.85 : 117,145.71 = 50,908.03 : x
  2. Step 2: Convert to fraction form
    84,880.85/117,145.71 = 50,908.03/x
  3. Step 3: Cross multiply
    84,880.85x = 117,145.71 × 50,908.03
  4. Step 4: Simplify right side
    84,880.85x = 5,963,657,026.19
  5. Step 5: Solve for x
    x = 5,963,657,026.19/84,880.85
  6. Step 6: Final answer
    x = 70,259.16

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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.