Home / 67,322.16-92,870.42-51,378.93

Finding the Fourth Proportional to 67,322.16, 92,870.42 and 51,378.93

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Solution

The fourth proportional to 67,322.16, 92,870.42 and 51,378.93 is: 70,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,322.16 : 92,870.42 = 51,378.93 : x
  2. Step 2: Convert to fraction form
    67,322.16/92,870.42 = 51,378.93/x
  3. Step 3: Cross multiply
    67,322.16x = 92,870.42 × 51,378.93
  4. Step 4: Simplify right side
    67,322.16x = 4,771,582,551.36
  5. Step 5: Solve for x
    x = 4,771,582,551.36/67,322.16
  6. Step 6: Final answer
    x = 70,876.85

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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.