Home / 86,695.14-130,009.77-34,075.92

Finding the Fourth Proportional to 86,695.14, 130,009.77 and 34,075.92

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Solution

The fourth proportional to 86,695.14, 130,009.77 and 34,075.92 is: 51,100.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,695.14 : 130,009.77 = 34,075.92 : x
  2. Step 2: Convert to fraction form
    86,695.14/130,009.77 = 34,075.92/x
  3. Step 3: Cross multiply
    86,695.14x = 130,009.77 × 34,075.92
  4. Step 4: Simplify right side
    86,695.14x = 4,430,202,521.74
  5. Step 5: Solve for x
    x = 4,430,202,521.74/86,695.14
  6. Step 6: Final answer
    x = 51,100.93

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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.