Home / 62,421.10-93,631.65-20,868.10

Finding the Fourth Proportional to 62,421.10, 93,631.65 and 20,868.10

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Solution

The fourth proportional to 62,421.10, 93,631.65 and 20,868.10 is: 31,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,421.10 : 93,631.65 = 20,868.10 : x
  2. Step 2: Convert to fraction form
    62,421.10/93,631.65 = 20,868.10/x
  3. Step 3: Cross multiply
    62,421.10x = 93,631.65 × 20,868.10
  4. Step 4: Simplify right side
    62,421.10x = 1,953,914,635.37
  5. Step 5: Solve for x
    x = 1,953,914,635.37/62,421.10
  6. Step 6: Final answer
    x = 31,302.15

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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.