Home / 70,897.02-97,837.10-40,269.90

Finding the Fourth Proportional to 70,897.02, 97,837.10 and 40,269.90

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Solution

The fourth proportional to 70,897.02, 97,837.10 and 40,269.90 is: 55,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,897.02 : 97,837.10 = 40,269.90 : x
  2. Step 2: Convert to fraction form
    70,897.02/97,837.10 = 40,269.90/x
  3. Step 3: Cross multiply
    70,897.02x = 97,837.10 × 40,269.90
  4. Step 4: Simplify right side
    70,897.02x = 3,939,890,031.94
  5. Step 5: Solve for x
    x = 3,939,890,031.94/70,897.02
  6. Step 6: Final answer
    x = 55,572.01

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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.