Home / 70,970.86-97,935.31-40,734.91

Finding the Fourth Proportional to 70,970.86, 97,935.31 and 40,734.91

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Solution

The fourth proportional to 70,970.86, 97,935.31 and 40,734.91 is: 56,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,970.86 : 97,935.31 = 40,734.91 : x
  2. Step 2: Convert to fraction form
    70,970.86/97,935.31 = 40,734.91/x
  3. Step 3: Cross multiply
    70,970.86x = 97,935.31 × 40,734.91
  4. Step 4: Simplify right side
    70,970.86x = 3,989,385,692.00
  5. Step 5: Solve for x
    x = 3,989,385,692.00/70,970.86
  6. Step 6: Final answer
    x = 56,211.60

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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.