Home / 127,423.05-175,828.50-70,052.91

Finding the Fourth Proportional to 127,423.05, 175,828.50 and 70,052.91

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Solution

The fourth proportional to 127,423.05, 175,828.50 and 70,052.91 is: 96,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,423.05 : 175,828.50 = 70,052.91 : x
  2. Step 2: Convert to fraction form
    127,423.05/175,828.50 = 70,052.91/x
  3. Step 3: Cross multiply
    127,423.05x = 175,828.50 × 70,052.91
  4. Step 4: Simplify right side
    127,423.05x = 12,317,298,085.94
  5. Step 5: Solve for x
    x = 12,317,298,085.94/127,423.05
  6. Step 6: Final answer
    x = 96,664.60

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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.