Home / 112,094.16-154,689.80-61,794

Finding the Fourth Proportional to 112,094.16, 154,689.80 and 61,794

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Solution

The fourth proportional to 112,094.16, 154,689.80 and 61,794 is: 85,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,094.16 : 154,689.80 = 61,794 : x
  2. Step 2: Convert to fraction form
    112,094.16/154,689.80 = 61,794/x
  3. Step 3: Cross multiply
    112,094.16x = 154,689.80 × 61,794
  4. Step 4: Simplify right side
    112,094.16x = 9,558,901,501.20
  5. Step 5: Solve for x
    x = 9,558,901,501.20/112,094.16
  6. Step 6: Final answer
    x = 85,275.64

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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.