Home / 73,721.40-110,582.10-70,495.80

Finding the Fourth Proportional to 73,721.40, 110,582.10 and 70,495.80

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Solution

The fourth proportional to 73,721.40, 110,582.10 and 70,495.80 is: 105,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721.40 : 110,582.10 = 70,495.80 : x
  2. Step 2: Convert to fraction form
    73,721.40/110,582.10 = 70,495.80/x
  3. Step 3: Cross multiply
    73,721.40x = 110,582.10 × 70,495.80
  4. Step 4: Simplify right side
    73,721.40x = 7,795,573,605.18
  5. Step 5: Solve for x
    x = 7,795,573,605.18/73,721.40
  6. Step 6: Final answer
    x = 105,743.70

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1.5x scale

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.