Home / 99,027.72-136,665.51-56,585.34

Finding the Fourth Proportional to 99,027.72, 136,665.51 and 56,585.34

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Solution

The fourth proportional to 99,027.72, 136,665.51 and 56,585.34 is: 78,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,027.72 : 136,665.51 = 56,585.34 : x
  2. Step 2: Convert to fraction form
    99,027.72/136,665.51 = 56,585.34/x
  3. Step 3: Cross multiply
    99,027.72x = 136,665.51 × 56,585.34
  4. Step 4: Simplify right side
    99,027.72x = 7,733,264,349.62
  5. Step 5: Solve for x
    x = 7,733,264,349.62/99,027.72
  6. Step 6: Final answer
    x = 78,091.92

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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.