Home / 102,031.05-153,005.57-38,829.49

Finding the Fourth Proportional to 102,031.05, 153,005.57 and 38,829.49

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Solution

The fourth proportional to 102,031.05, 153,005.57 and 38,829.49 is: 58,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,031.05 : 153,005.57 = 38,829.49 : x
  2. Step 2: Convert to fraction form
    102,031.05/153,005.57 = 38,829.49/x
  3. Step 3: Cross multiply
    102,031.05x = 153,005.57 × 38,829.49
  4. Step 4: Simplify right side
    102,031.05x = 5,941,127,673.60
  5. Step 5: Solve for x
    x = 5,941,127,673.60/102,031.05
  6. Step 6: Final answer
    x = 58,228.62

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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.