Home / 102,047.23-140,848.03-56,741.10

Finding the Fourth Proportional to 102,047.23, 140,848.03 and 56,741.10

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Solution

The fourth proportional to 102,047.23, 140,848.03 and 56,741.10 is: 78,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,047.23 : 140,848.03 = 56,741.10 : x
  2. Step 2: Convert to fraction form
    102,047.23/140,848.03 = 56,741.10/x
  3. Step 3: Cross multiply
    102,047.23x = 140,848.03 × 56,741.10
  4. Step 4: Simplify right side
    102,047.23x = 7,991,872,155.03
  5. Step 5: Solve for x
    x = 7,991,872,155.03/102,047.23
  6. Step 6: Final answer
    x = 78,315.42

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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.