Home / 117,870.75-176,877.09-42,997.46

Finding the Fourth Proportional to 117,870.75, 176,877.09 and 42,997.46

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Solution

The fourth proportional to 117,870.75, 176,877.09 and 42,997.46 is: 64,522.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,870.75 : 176,877.09 = 42,997.46 : x
  2. Step 2: Convert to fraction form
    117,870.75/176,877.09 = 42,997.46/x
  3. Step 3: Cross multiply
    117,870.75x = 176,877.09 × 42,997.46
  4. Step 4: Simplify right side
    117,870.75x = 7,605,264,717.81
  5. Step 5: Solve for x
    x = 7,605,264,717.81/117,870.75
  6. Step 6: Final answer
    x = 64,522.07

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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.