Home / 94,479.13-130,390.38-70,564.27

Finding the Fourth Proportional to 94,479.13, 130,390.38 and 70,564.27

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Solution

The fourth proportional to 94,479.13, 130,390.38 and 70,564.27 is: 97,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,479.13 : 130,390.38 = 70,564.27 : x
  2. Step 2: Convert to fraction form
    94,479.13/130,390.38 = 70,564.27/x
  3. Step 3: Cross multiply
    94,479.13x = 130,390.38 × 70,564.27
  4. Step 4: Simplify right side
    94,479.13x = 9,200,901,979.72
  5. Step 5: Solve for x
    x = 9,200,901,979.72/94,479.13
  6. Step 6: Final answer
    x = 97,385.55

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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.