Home / 117,429.84-176,143.02-47,307.36

Finding the Fourth Proportional to 117,429.84, 176,143.02 and 47,307.36

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Solution

The fourth proportional to 117,429.84, 176,143.02 and 47,307.36 is: 70,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,429.84 : 176,143.02 = 47,307.36 : x
  2. Step 2: Convert to fraction form
    117,429.84/176,143.02 = 47,307.36/x
  3. Step 3: Cross multiply
    117,429.84x = 176,143.02 × 47,307.36
  4. Step 4: Simplify right side
    117,429.84x = 8,332,861,258.63
  5. Step 5: Solve for x
    x = 8,332,861,258.63/117,429.84
  6. Step 6: Final answer
    x = 70,960.34

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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.