Home / 92,929.74-128,243.66-50,488.26

Finding the Fourth Proportional to 92,929.74, 128,243.66 and 50,488.26

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Solution

The fourth proportional to 92,929.74, 128,243.66 and 50,488.26 is: 69,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,929.74 : 128,243.66 = 50,488.26 : x
  2. Step 2: Convert to fraction form
    92,929.74/128,243.66 = 50,488.26/x
  3. Step 3: Cross multiply
    92,929.74x = 128,243.66 × 50,488.26
  4. Step 4: Simplify right side
    92,929.74x = 6,474,798,996.99
  5. Step 5: Solve for x
    x = 6,474,798,996.99/92,929.74
  6. Step 6: Final answer
    x = 69,674.13

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1.5x scale

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.