Home / 70,897.21-97,852.27-40,702.93

Finding the Fourth Proportional to 70,897.21, 97,852.27 and 40,702.93

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Solution

The fourth proportional to 70,897.21, 97,852.27 and 40,702.93 is: 56,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,897.21 : 97,852.27 = 40,702.93 : x
  2. Step 2: Convert to fraction form
    70,897.21/97,852.27 = 40,702.93/x
  3. Step 3: Cross multiply
    70,897.21x = 97,852.27 × 40,702.93
  4. Step 4: Simplify right side
    70,897.21x = 3,982,874,096.15
  5. Step 5: Solve for x
    x = 3,982,874,096.15/70,897.21
  6. Step 6: Final answer
    x = 56,178.15

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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.