Home / 92,971.39-139,303.83-53,561.65

Finding the Fourth Proportional to 92,971.39, 139,303.83 and 53,561.65

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Solution

The fourth proportional to 92,971.39, 139,303.83 and 53,561.65 is: 80,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,971.39 : 139,303.83 = 53,561.65 : x
  2. Step 2: Convert to fraction form
    92,971.39/139,303.83 = 53,561.65/x
  3. Step 3: Cross multiply
    92,971.39x = 139,303.83 × 53,561.65
  4. Step 4: Simplify right side
    92,971.39x = 7,461,342,986.12
  5. Step 5: Solve for x
    x = 7,461,342,986.12/92,971.39
  6. Step 6: Final answer
    x = 80,254.18

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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.