Home / 105,916.81-158,875.08-27,031.04

Finding the Fourth Proportional to 105,916.81, 158,875.08 and 27,031.04

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Solution

The fourth proportional to 105,916.81, 158,875.08 and 27,031.04 is: 40,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,916.81 : 158,875.08 = 27,031.04 : x
  2. Step 2: Convert to fraction form
    105,916.81/158,875.08 = 27,031.04/x
  3. Step 3: Cross multiply
    105,916.81x = 158,875.08 × 27,031.04
  4. Step 4: Simplify right side
    105,916.81x = 4,294,558,642.48
  5. Step 5: Solve for x
    x = 4,294,558,642.48/105,916.81
  6. Step 6: Final answer
    x = 40,546.53

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1.5x scale

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.