Home / 84,937.37-117,210.69-47,210.81

Finding the Fourth Proportional to 84,937.37, 117,210.69 and 47,210.81

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Solution

The fourth proportional to 84,937.37, 117,210.69 and 47,210.81 is: 65,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,937.37 : 117,210.69 = 47,210.81 : x
  2. Step 2: Convert to fraction form
    84,937.37/117,210.69 = 47,210.81/x
  3. Step 3: Cross multiply
    84,937.37x = 117,210.69 × 47,210.81
  4. Step 4: Simplify right side
    84,937.37x = 5,533,611,029.51
  5. Step 5: Solve for x
    x = 5,533,611,029.51/84,937.37
  6. Step 6: Final answer
    x = 65,149.31

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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.