Home / 104,586.72-144,330.80-56,840.08

Finding the Fourth Proportional to 104,586.72, 144,330.80 and 56,840.08

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Solution

The fourth proportional to 104,586.72, 144,330.80 and 56,840.08 is: 78,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,586.72 : 144,330.80 = 56,840.08 : x
  2. Step 2: Convert to fraction form
    104,586.72/144,330.80 = 56,840.08/x
  3. Step 3: Cross multiply
    104,586.72x = 144,330.80 × 56,840.08
  4. Step 4: Simplify right side
    104,586.72x = 8,203,774,218.46
  5. Step 5: Solve for x
    x = 8,203,774,218.46/104,586.72
  6. Step 6: Final answer
    x = 78,439.92

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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.