Home / 86,703.14-130,075.52-27,538.85

Finding the Fourth Proportional to 86,703.14, 130,075.52 and 27,538.85

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Solution

The fourth proportional to 86,703.14, 130,075.52 and 27,538.85 is: 41,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,703.14 : 130,075.52 = 27,538.85 : x
  2. Step 2: Convert to fraction form
    86,703.14/130,075.52 = 27,538.85/x
  3. Step 3: Cross multiply
    86,703.14x = 130,075.52 × 27,538.85
  4. Step 4: Simplify right side
    86,703.14x = 3,582,130,421.45
  5. Step 5: Solve for x
    x = 3,582,130,421.45/86,703.14
  6. Step 6: Final answer
    x = 41,314.89

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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.