Home / 86,934.71-130,368.58-30,764.35

Finding the Fourth Proportional to 86,934.71, 130,368.58 and 30,764.35

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Solution

The fourth proportional to 86,934.71, 130,368.58 and 30,764.35 is: 46,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,934.71 : 130,368.58 = 30,764.35 : x
  2. Step 2: Convert to fraction form
    86,934.71/130,368.58 = 30,764.35/x
  3. Step 3: Cross multiply
    86,934.71x = 130,368.58 × 30,764.35
  4. Step 4: Simplify right side
    86,934.71x = 4,010,704,710.17
  5. Step 5: Solve for x
    x = 4,010,704,710.17/86,934.71
  6. Step 6: Final answer
    x = 46,134.68

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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.