Home / 102,125.03-153,187.46-31,048.23

Finding the Fourth Proportional to 102,125.03, 153,187.46 and 31,048.23

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Solution

The fourth proportional to 102,125.03, 153,187.46 and 31,048.23 is: 46,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,125.03 : 153,187.46 = 31,048.23 : x
  2. Step 2: Convert to fraction form
    102,125.03/153,187.46 = 31,048.23/x
  3. Step 3: Cross multiply
    102,125.03x = 153,187.46 × 31,048.23
  4. Step 4: Simplify right side
    102,125.03x = 4,756,199,335.95
  5. Step 5: Solve for x
    x = 4,756,199,335.95/102,125.03
  6. Step 6: Final answer
    x = 46,572.32

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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.