Home / 58,725.29-81,075.99-38,615.82

Finding the Fourth Proportional to 58,725.29, 81,075.99 and 38,615.82

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Solution

The fourth proportional to 58,725.29, 81,075.99 and 38,615.82 is: 53,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,725.29 : 81,075.99 = 38,615.82 : x
  2. Step 2: Convert to fraction form
    58,725.29/81,075.99 = 38,615.82/x
  3. Step 3: Cross multiply
    58,725.29x = 81,075.99 × 38,615.82
  4. Step 4: Simplify right side
    58,725.29x = 3,130,815,836.16
  5. Step 5: Solve for x
    x = 3,130,815,836.16/58,725.29
  6. Step 6: Final answer
    x = 53,312.91

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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.