Home / 42,495.08-63,764.04-30,094.80

Finding the Fourth Proportional to 42,495.08, 63,764.04 and 30,094.80

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Solution

The fourth proportional to 42,495.08, 63,764.04 and 30,094.80 is: 45,157.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,495.08 : 63,764.04 = 30,094.80 : x
  2. Step 2: Convert to fraction form
    42,495.08/63,764.04 = 30,094.80/x
  3. Step 3: Cross multiply
    42,495.08x = 63,764.04 × 30,094.80
  4. Step 4: Simplify right side
    42,495.08x = 1,918,966,030.99
  5. Step 5: Solve for x
    x = 1,918,966,030.99/42,495.08
  6. Step 6: Final answer
    x = 45,157.37

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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.