Home / 65,925.18-98,890.51-19,178.06

Finding the Fourth Proportional to 65,925.18, 98,890.51 and 19,178.06

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Solution

The fourth proportional to 65,925.18, 98,890.51 and 19,178.06 is: 28,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,925.18 : 98,890.51 = 19,178.06 : x
  2. Step 2: Convert to fraction form
    65,925.18/98,890.51 = 19,178.06/x
  3. Step 3: Cross multiply
    65,925.18x = 98,890.51 × 19,178.06
  4. Step 4: Simplify right side
    65,925.18x = 1,896,527,851.96
  5. Step 5: Solve for x
    x = 1,896,527,851.96/65,925.18
  6. Step 6: Final answer
    x = 28,767.88

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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.