Home / 42,461.04-63,700.56-14,379.75

Finding the Fourth Proportional to 42,461.04, 63,700.56 and 14,379.75

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Solution

The fourth proportional to 42,461.04, 63,700.56 and 14,379.75 is: 21,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,461.04 : 63,700.56 = 14,379.75 : x
  2. Step 2: Convert to fraction form
    42,461.04/63,700.56 = 14,379.75/x
  3. Step 3: Cross multiply
    42,461.04x = 63,700.56 × 14,379.75
  4. Step 4: Simplify right side
    42,461.04x = 915,998,127.66
  5. Step 5: Solve for x
    x = 915,998,127.66/42,461.04
  6. Step 6: Final answer
    x = 21,572.67

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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.