Home / 70,819.10-97,746.98-40,603.88

Finding the Fourth Proportional to 70,819.10, 97,746.98 and 40,603.88

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Solution

The fourth proportional to 70,819.10, 97,746.98 and 40,603.88 is: 56,042.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,819.10 : 97,746.98 = 40,603.88 : x
  2. Step 2: Convert to fraction form
    70,819.10/97,746.98 = 40,603.88/x
  3. Step 3: Cross multiply
    70,819.10x = 97,746.98 × 40,603.88
  4. Step 4: Simplify right side
    70,819.10x = 3,968,905,954.53
  5. Step 5: Solve for x
    x = 3,968,905,954.53/70,819.10
  6. Step 6: Final answer
    x = 56,042.88

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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.