Home / 105,212.55-157,823.50-38,616.35

Finding the Fourth Proportional to 105,212.55, 157,823.50 and 38,616.35

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Solution

The fourth proportional to 105,212.55, 157,823.50 and 38,616.35 is: 57,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,212.55 : 157,823.50 = 38,616.35 : x
  2. Step 2: Convert to fraction form
    105,212.55/157,823.50 = 38,616.35/x
  3. Step 3: Cross multiply
    105,212.55x = 157,823.50 × 38,616.35
  4. Step 4: Simplify right side
    105,212.55x = 6,094,566,725.11
  5. Step 5: Solve for x
    x = 6,094,566,725.11/105,212.55
  6. Step 6: Final answer
    x = 57,926.24

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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.