Home / 84,970.84-117,284.41-52,715.29

Finding the Fourth Proportional to 84,970.84, 117,284.41 and 52,715.29

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Solution

The fourth proportional to 84,970.84, 117,284.41 and 52,715.29 is: 72,762.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,970.84 : 117,284.41 = 52,715.29 : x
  2. Step 2: Convert to fraction form
    84,970.84/117,284.41 = 52,715.29/x
  3. Step 3: Cross multiply
    84,970.84x = 117,284.41 × 52,715.29
  4. Step 4: Simplify right side
    84,970.84x = 6,182,681,553.84
  5. Step 5: Solve for x
    x = 6,182,681,553.84/84,970.84
  6. Step 6: Final answer
    x = 72,762.39

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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.