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Finding the Fourth Proportional to 84,800.88, 117,024.72 and 47,075.04

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Solution

The fourth proportional to 84,800.88, 117,024.72 and 47,075.04 is: 64,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,800.88 : 117,024.72 = 47,075.04 : x
  2. Step 2: Convert to fraction form
    84,800.88/117,024.72 = 47,075.04/x
  3. Step 3: Cross multiply
    84,800.88x = 117,024.72 × 47,075.04
  4. Step 4: Simplify right side
    84,800.88x = 5,508,943,374.99
  5. Step 5: Solve for x
    x = 5,508,943,374.99/84,800.88
  6. Step 6: Final answer
    x = 64,963.28

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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.