Home / 58,713.40-81,082.01-40,610.48

Finding the Fourth Proportional to 58,713.40, 81,082.01 and 40,610.48

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Solution

The fourth proportional to 58,713.40, 81,082.01 and 40,610.48 is: 56,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,713.40 : 81,082.01 = 40,610.48 : x
  2. Step 2: Convert to fraction form
    58,713.40/81,082.01 = 40,610.48/x
  3. Step 3: Cross multiply
    58,713.40x = 81,082.01 × 40,610.48
  4. Step 4: Simplify right side
    58,713.40x = 3,292,779,345.46
  5. Step 5: Solve for x
    x = 3,292,779,345.46/58,713.40
  6. Step 6: Final answer
    x = 56,082.25

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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.