Home / 112,514.76-155,301.14-70,048.36

Finding the Fourth Proportional to 112,514.76, 155,301.14 and 70,048.36

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Solution

The fourth proportional to 112,514.76, 155,301.14 and 70,048.36 is: 96,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,514.76 : 155,301.14 = 70,048.36 : x
  2. Step 2: Convert to fraction form
    112,514.76/155,301.14 = 70,048.36/x
  3. Step 3: Cross multiply
    112,514.76x = 155,301.14 × 70,048.36
  4. Step 4: Simplify right side
    112,514.76x = 10,878,590,163.13
  5. Step 5: Solve for x
    x = 10,878,590,163.13/112,514.76
  6. Step 6: Final answer
    x = 96,685.89

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1.5x scale

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.