Home / 70,368.10-97,083.87-40,131.58

Finding the Fourth Proportional to 70,368.10, 97,083.87 and 40,131.58

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Solution

The fourth proportional to 70,368.10, 97,083.87 and 40,131.58 is: 55,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,368.10 : 97,083.87 = 40,131.58 : x
  2. Step 2: Convert to fraction form
    70,368.10/97,083.87 = 40,131.58/x
  3. Step 3: Cross multiply
    70,368.10x = 97,083.87 × 40,131.58
  4. Step 4: Simplify right side
    70,368.10x = 3,896,129,095.61
  5. Step 5: Solve for x
    x = 3,896,129,095.61/70,368.10
  6. Step 6: Final answer
    x = 55,367.83

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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.