Home / 117,717.40-176,576.10-62,421.40

Finding the Fourth Proportional to 117,717.40, 176,576.10 and 62,421.40

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Solution

The fourth proportional to 117,717.40, 176,576.10 and 62,421.40 is: 93,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,717.40 : 176,576.10 = 62,421.40 : x
  2. Step 2: Convert to fraction form
    117,717.40/176,576.10 = 62,421.40/x
  3. Step 3: Cross multiply
    117,717.40x = 176,576.10 × 62,421.40
  4. Step 4: Simplify right side
    117,717.40x = 11,022,127,368.54
  5. Step 5: Solve for x
    x = 11,022,127,368.54/117,717.40
  6. Step 6: Final answer
    x = 93,632.10

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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.