Home / 106,890.32-147,502.48-59,140.82

Finding the Fourth Proportional to 106,890.32, 147,502.48 and 59,140.82

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Solution

The fourth proportional to 106,890.32, 147,502.48 and 59,140.82 is: 81,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,890.32 : 147,502.48 = 59,140.82 : x
  2. Step 2: Convert to fraction form
    106,890.32/147,502.48 = 59,140.82/x
  3. Step 3: Cross multiply
    106,890.32x = 147,502.48 × 59,140.82
  4. Step 4: Simplify right side
    106,890.32x = 8,723,417,619.23
  5. Step 5: Solve for x
    x = 8,723,417,619.23/106,890.32
  6. Step 6: Final answer
    x = 81,610.92

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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.