Home / 99,027.66-136,655.61-56,586.20

Finding the Fourth Proportional to 99,027.66, 136,655.61 and 56,586.20

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Solution

The fourth proportional to 99,027.66, 136,655.61 and 56,586.20 is: 78,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,027.66 : 136,655.61 = 56,586.20 : x
  2. Step 2: Convert to fraction form
    99,027.66/136,655.61 = 56,586.20/x
  3. Step 3: Cross multiply
    99,027.66x = 136,655.61 × 56,586.20
  4. Step 4: Simplify right side
    99,027.66x = 7,732,820,783.11
  5. Step 5: Solve for x
    x = 7,732,820,783.11/99,027.66
  6. Step 6: Final answer
    x = 78,087.48

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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.