Home / 107,123.12-147,829.52-59,376

Finding the Fourth Proportional to 107,123.12, 147,829.52 and 59,376

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Solution

The fourth proportional to 107,123.12, 147,829.52 and 59,376 is: 81,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,123.12 : 147,829.52 = 59,376 : x
  2. Step 2: Convert to fraction form
    107,123.12/147,829.52 = 59,376/x
  3. Step 3: Cross multiply
    107,123.12x = 147,829.52 × 59,376
  4. Step 4: Simplify right side
    107,123.12x = 8,777,525,579.52
  5. Step 5: Solve for x
    x = 8,777,525,579.52/107,123.12
  6. Step 6: Final answer
    x = 81,938.67

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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.