Home / 56,123.24-77,486.51-43,354.20

Finding the Fourth Proportional to 56,123.24, 77,486.51 and 43,354.20

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Solution

The fourth proportional to 56,123.24, 77,486.51 and 43,354.20 is: 59,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,123.24 : 77,486.51 = 43,354.20 : x
  2. Step 2: Convert to fraction form
    56,123.24/77,486.51 = 43,354.20/x
  3. Step 3: Cross multiply
    56,123.24x = 77,486.51 × 43,354.20
  4. Step 4: Simplify right side
    56,123.24x = 3,359,365,651.84
  5. Step 5: Solve for x
    x = 3,359,365,651.84/56,123.24
  6. Step 6: Final answer
    x = 59,856.94

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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.