Home / 87,139.51-130,709.23-24,810.01

Finding the Fourth Proportional to 87,139.51, 130,709.23 and 24,810.01

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Solution

The fourth proportional to 87,139.51, 130,709.23 and 24,810.01 is: 37,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,139.51 : 130,709.23 = 24,810.01 : x
  2. Step 2: Convert to fraction form
    87,139.51/130,709.23 = 24,810.01/x
  3. Step 3: Cross multiply
    87,139.51x = 130,709.23 × 24,810.01
  4. Step 4: Simplify right side
    87,139.51x = 3,242,897,303.39
  5. Step 5: Solve for x
    x = 3,242,897,303.39/87,139.51
  6. Step 6: Final answer
    x = 37,215.01

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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.