Home / 117,639.48-176,458.80-51,070.92

Finding the Fourth Proportional to 117,639.48, 176,458.80 and 51,070.92

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Solution

The fourth proportional to 117,639.48, 176,458.80 and 51,070.92 is: 76,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,639.48 : 176,458.80 = 51,070.92 : x
  2. Step 2: Convert to fraction form
    117,639.48/176,458.80 = 51,070.92/x
  3. Step 3: Cross multiply
    117,639.48x = 176,458.80 × 51,070.92
  4. Step 4: Simplify right side
    117,639.48x = 9,011,913,258.10
  5. Step 5: Solve for x
    x = 9,011,913,258.10/117,639.48
  6. Step 6: Final answer
    x = 76,606.20

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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.