Home / 67,303.48-92,874.36-40,430.08

Finding the Fourth Proportional to 67,303.48, 92,874.36 and 40,430.08

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Solution

The fourth proportional to 67,303.48, 92,874.36 and 40,430.08 is: 55,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,303.48 : 92,874.36 = 40,430.08 : x
  2. Step 2: Convert to fraction form
    67,303.48/92,874.36 = 40,430.08/x
  3. Step 3: Cross multiply
    67,303.48x = 92,874.36 × 40,430.08
  4. Step 4: Simplify right side
    67,303.48x = 3,754,917,804.75
  5. Step 5: Solve for x
    x = 3,754,917,804.75/67,303.48
  6. Step 6: Final answer
    x = 55,790.84

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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.