Home / 112,403.94-168,689.07-53,239.74

Finding the Fourth Proportional to 112,403.94, 168,689.07 and 53,239.74

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Solution

The fourth proportional to 112,403.94, 168,689.07 and 53,239.74 is: 79,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,403.94 : 168,689.07 = 53,239.74 : x
  2. Step 2: Convert to fraction form
    112,403.94/168,689.07 = 53,239.74/x
  3. Step 3: Cross multiply
    112,403.94x = 168,689.07 × 53,239.74
  4. Step 4: Simplify right side
    112,403.94x = 8,980,962,227.64
  5. Step 5: Solve for x
    x = 8,980,962,227.64/112,403.94
  6. Step 6: Final answer
    x = 79,899.00

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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.