Home / 69,929.58-96,538.56-47,387.67

Finding the Fourth Proportional to 69,929.58, 96,538.56 and 47,387.67

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Solution

The fourth proportional to 69,929.58, 96,538.56 and 47,387.67 is: 65,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,929.58 : 96,538.56 = 47,387.67 : x
  2. Step 2: Convert to fraction form
    69,929.58/96,538.56 = 47,387.67/x
  3. Step 3: Cross multiply
    69,929.58x = 96,538.56 × 47,387.67
  4. Step 4: Simplify right side
    69,929.58x = 4,574,737,423.56
  5. Step 5: Solve for x
    x = 4,574,737,423.56/69,929.58
  6. Step 6: Final answer
    x = 65,419.20

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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.