Home / 82,430.11-113,751.10-45,637.96

Finding the Fourth Proportional to 82,430.11, 113,751.10 and 45,637.96

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Solution

The fourth proportional to 82,430.11, 113,751.10 and 45,637.96 is: 62,979.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,430.11 : 113,751.10 = 45,637.96 : x
  2. Step 2: Convert to fraction form
    82,430.11/113,751.10 = 45,637.96/x
  3. Step 3: Cross multiply
    82,430.11x = 113,751.10 × 45,637.96
  4. Step 4: Simplify right side
    82,430.11x = 5,191,368,151.76
  5. Step 5: Solve for x
    x = 5,191,368,151.76/82,430.11
  6. Step 6: Final answer
    x = 62,979.03

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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.