Home / 97,126.95-145,711.15-55,027.20

Finding the Fourth Proportional to 97,126.95, 145,711.15 and 55,027.20

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Solution

The fourth proportional to 97,126.95, 145,711.15 and 55,027.20 is: 82,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,126.95 : 145,711.15 = 55,027.20 : x
  2. Step 2: Convert to fraction form
    97,126.95/145,711.15 = 55,027.20/x
  3. Step 3: Cross multiply
    97,126.95x = 145,711.15 × 55,027.20
  4. Step 4: Simplify right side
    97,126.95x = 8,018,076,492.03
  5. Step 5: Solve for x
    x = 8,018,076,492.03/97,126.95
  6. Step 6: Final answer
    x = 82,552.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.