Home / 81,536.64-112,521.50-45,238.76

Finding the Fourth Proportional to 81,536.64, 112,521.50 and 45,238.76

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Solution

The fourth proportional to 81,536.64, 112,521.50 and 45,238.76 is: 62,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,536.64 : 112,521.50 = 45,238.76 : x
  2. Step 2: Convert to fraction form
    81,536.64/112,521.50 = 45,238.76/x
  3. Step 3: Cross multiply
    81,536.64x = 112,521.50 × 45,238.76
  4. Step 4: Simplify right side
    81,536.64x = 5,090,332,344.54
  5. Step 5: Solve for x
    x = 5,090,332,344.54/81,536.64
  6. Step 6: Final answer
    x = 62,430.00

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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.