Home / 120,038.38-180,048.93-52,577.26

Finding the Fourth Proportional to 120,038.38, 180,048.93 and 52,577.26

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Solution

The fourth proportional to 120,038.38, 180,048.93 and 52,577.26 is: 78,862.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,038.38 : 180,048.93 = 52,577.26 : x
  2. Step 2: Convert to fraction form
    120,038.38/180,048.93 = 52,577.26/x
  3. Step 3: Cross multiply
    120,038.38x = 180,048.93 × 52,577.26
  4. Step 4: Simplify right side
    120,038.38x = 9,466,479,405.33
  5. Step 5: Solve for x
    x = 9,466,479,405.33/120,038.38
  6. Step 6: Final answer
    x = 78,862.11

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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.