Home / 89,590.16-123,638.28-53,783.12

Finding the Fourth Proportional to 89,590.16, 123,638.28 and 53,783.12

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Solution

The fourth proportional to 89,590.16, 123,638.28 and 53,783.12 is: 74,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,590.16 : 123,638.28 = 53,783.12 : x
  2. Step 2: Convert to fraction form
    89,590.16/123,638.28 = 53,783.12/x
  3. Step 3: Cross multiply
    89,590.16x = 123,638.28 × 53,783.12
  4. Step 4: Simplify right side
    89,590.16x = 6,649,652,449.83
  5. Step 5: Solve for x
    x = 6,649,652,449.83/89,590.16
  6. Step 6: Final answer
    x = 74,223.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.