Home / 70,320.44-97,018.08-40,083.95

Finding the Fourth Proportional to 70,320.44, 97,018.08 and 40,083.95

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Solution

The fourth proportional to 70,320.44, 97,018.08 and 40,083.95 is: 55,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,320.44 : 97,018.08 = 40,083.95 : x
  2. Step 2: Convert to fraction form
    70,320.44/97,018.08 = 40,083.95/x
  3. Step 3: Cross multiply
    70,320.44x = 97,018.08 × 40,083.95
  4. Step 4: Simplify right side
    70,320.44x = 3,888,868,010.15
  5. Step 5: Solve for x
    x = 3,888,868,010.15/70,320.44
  6. Step 6: Final answer
    x = 55,302.10

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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.