Home / 109,869.95-151,623.51-62,130.44

Finding the Fourth Proportional to 109,869.95, 151,623.51 and 62,130.44

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Solution

The fourth proportional to 109,869.95, 151,623.51 and 62,130.44 is: 85,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,869.95 : 151,623.51 = 62,130.44 : x
  2. Step 2: Convert to fraction form
    109,869.95/151,623.51 = 62,130.44/x
  3. Step 3: Cross multiply
    109,869.95x = 151,623.51 × 62,130.44
  4. Step 4: Simplify right side
    109,869.95x = 9,420,435,390.64
  5. Step 5: Solve for x
    x = 9,420,435,390.64/109,869.95
  6. Step 6: Final answer
    x = 85,741.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.