Home / 101,545.03-152,323.22-31,418.88

Finding the Fourth Proportional to 101,545.03, 152,323.22 and 31,418.88

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Solution

The fourth proportional to 101,545.03, 152,323.22 and 31,418.88 is: 47,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,545.03 : 152,323.22 = 31,418.88 : x
  2. Step 2: Convert to fraction form
    101,545.03/152,323.22 = 31,418.88/x
  3. Step 3: Cross multiply
    101,545.03x = 152,323.22 × 31,418.88
  4. Step 4: Simplify right side
    101,545.03x = 4,785,824,970.39
  5. Step 5: Solve for x
    x = 4,785,824,970.39/101,545.03
  6. Step 6: Final answer
    x = 47,130.08

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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.