Home / 136,941.95-205,281.71-57,947.51

Finding the Fourth Proportional to 136,941.95, 205,281.71 and 57,947.51

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Solution

The fourth proportional to 136,941.95, 205,281.71 and 57,947.51 is: 86,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,941.95 : 205,281.71 = 57,947.51 : x
  2. Step 2: Convert to fraction form
    136,941.95/205,281.71 = 57,947.51/x
  3. Step 3: Cross multiply
    136,941.95x = 205,281.71 × 57,947.51
  4. Step 4: Simplify right side
    136,941.95x = 11,895,563,653.30
  5. Step 5: Solve for x
    x = 11,895,563,653.30/136,941.95
  6. Step 6: Final answer
    x = 86,865.74

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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.