Home / 84,813.46-117,038.01-47,085.28

Finding the Fourth Proportional to 84,813.46, 117,038.01 and 47,085.28

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Solution

The fourth proportional to 84,813.46, 117,038.01 and 47,085.28 is: 64,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,813.46 : 117,038.01 = 47,085.28 : x
  2. Step 2: Convert to fraction form
    84,813.46/117,038.01 = 47,085.28/x
  3. Step 3: Cross multiply
    84,813.46x = 117,038.01 × 47,085.28
  4. Step 4: Simplify right side
    84,813.46x = 5,510,767,529.51
  5. Step 5: Solve for x
    x = 5,510,767,529.51/84,813.46
  6. Step 6: Final answer
    x = 64,975.15

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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.