Home / 117,666.63-176,575.01-42,779.59

Finding the Fourth Proportional to 117,666.63, 176,575.01 and 42,779.59

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Solution

The fourth proportional to 117,666.63, 176,575.01 and 42,779.59 is: 64,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,666.63 : 176,575.01 = 42,779.59 : x
  2. Step 2: Convert to fraction form
    117,666.63/176,575.01 = 42,779.59/x
  3. Step 3: Cross multiply
    117,666.63x = 176,575.01 × 42,779.59
  4. Step 4: Simplify right side
    117,666.63x = 7,553,805,876.71
  5. Step 5: Solve for x
    x = 7,553,805,876.71/117,666.63
  6. Step 6: Final answer
    x = 64,196.67

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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.