Home / 99,085.85-148,638.51-28,009.03

Finding the Fourth Proportional to 99,085.85, 148,638.51 and 28,009.03

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Solution

The fourth proportional to 99,085.85, 148,638.51 and 28,009.03 is: 42,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,085.85 : 148,638.51 = 28,009.03 : x
  2. Step 2: Convert to fraction form
    99,085.85/148,638.51 = 28,009.03/x
  3. Step 3: Cross multiply
    99,085.85x = 148,638.51 × 28,009.03
  4. Step 4: Simplify right side
    99,085.85x = 4,163,219,602.51
  5. Step 5: Solve for x
    x = 4,163,219,602.51/99,085.85
  6. Step 6: Final answer
    x = 42,016.29

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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.