Home / 117,128.16-175,711.68-46,969.20

Finding the Fourth Proportional to 117,128.16, 175,711.68 and 46,969.20

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Solution

The fourth proportional to 117,128.16, 175,711.68 and 46,969.20 is: 70,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,128.16 : 175,711.68 = 46,969.20 : x
  2. Step 2: Convert to fraction form
    117,128.16/175,711.68 = 46,969.20/x
  3. Step 3: Cross multiply
    117,128.16x = 175,711.68 × 46,969.20
  4. Step 4: Simplify right side
    117,128.16x = 8,253,037,040.26
  5. Step 5: Solve for x
    x = 8,253,037,040.26/117,128.16
  6. Step 6: Final answer
    x = 70,461.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.