Home / 74,768.08-103,625.39-73,368.40

Finding the Fourth Proportional to 74,768.08, 103,625.39 and 73,368.40

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Solution

The fourth proportional to 74,768.08, 103,625.39 and 73,368.40 is: 101,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,768.08 : 103,625.39 = 73,368.40 : x
  2. Step 2: Convert to fraction form
    74,768.08/103,625.39 = 73,368.40/x
  3. Step 3: Cross multiply
    74,768.08x = 103,625.39 × 73,368.40
  4. Step 4: Simplify right side
    74,768.08x = 7,602,829,063.68
  5. Step 5: Solve for x
    x = 7,602,829,063.68/74,768.08
  6. Step 6: Final answer
    x = 101,685.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.