Home / 92,699.26-139,090.23-42,752.50

Finding the Fourth Proportional to 92,699.26, 139,090.23 and 42,752.50

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Solution

The fourth proportional to 92,699.26, 139,090.23 and 42,752.50 is: 64,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,699.26 : 139,090.23 = 42,752.50 : x
  2. Step 2: Convert to fraction form
    92,699.26/139,090.23 = 42,752.50/x
  3. Step 3: Cross multiply
    92,699.26x = 139,090.23 × 42,752.50
  4. Step 4: Simplify right side
    92,699.26x = 5,946,455,058.08
  5. Step 5: Solve for x
    x = 5,946,455,058.08/92,699.26
  6. Step 6: Final answer
    x = 64,147.82

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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.