Home / 86,868.07-130,303.47-34,277.09

Finding the Fourth Proportional to 86,868.07, 130,303.47 and 34,277.09

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Solution

The fourth proportional to 86,868.07, 130,303.47 and 34,277.09 is: 51,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,868.07 : 130,303.47 = 34,277.09 : x
  2. Step 2: Convert to fraction form
    86,868.07/130,303.47 = 34,277.09/x
  3. Step 3: Cross multiply
    86,868.07x = 130,303.47 × 34,277.09
  4. Step 4: Simplify right side
    86,868.07x = 4,466,423,768.50
  5. Step 5: Solve for x
    x = 4,466,423,768.50/86,868.07
  6. Step 6: Final answer
    x = 51,416.17

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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.