Home / 118,048.63-162,902.37-64,332.51

Finding the Fourth Proportional to 118,048.63, 162,902.37 and 64,332.51

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Solution

The fourth proportional to 118,048.63, 162,902.37 and 64,332.51 is: 88,776.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,048.63 : 162,902.37 = 64,332.51 : x
  2. Step 2: Convert to fraction form
    118,048.63/162,902.37 = 64,332.51/x
  3. Step 3: Cross multiply
    118,048.63x = 162,902.37 × 64,332.51
  4. Step 4: Simplify right side
    118,048.63x = 10,479,918,347.05
  5. Step 5: Solve for x
    x = 10,479,918,347.05/118,048.63
  6. Step 6: Final answer
    x = 88,776.28

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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.