Home / 118,395.71-163,389.29-70,676.75

Finding the Fourth Proportional to 118,395.71, 163,389.29 and 70,676.75

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Solution

The fourth proportional to 118,395.71, 163,389.29 and 70,676.75 is: 97,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,395.71 : 163,389.29 = 70,676.75 : x
  2. Step 2: Convert to fraction form
    118,395.71/163,389.29 = 70,676.75/x
  3. Step 3: Cross multiply
    118,395.71x = 163,389.29 × 70,676.75
  4. Step 4: Simplify right side
    118,395.71x = 11,547,824,057.10
  5. Step 5: Solve for x
    x = 11,547,824,057.10/118,395.71
  6. Step 6: Final answer
    x = 97,535.83

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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.