Home / 107,010.92-147,676.61-61,688.07

Finding the Fourth Proportional to 107,010.92, 147,676.61 and 61,688.07

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Solution

The fourth proportional to 107,010.92, 147,676.61 and 61,688.07 is: 85,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,010.92 : 147,676.61 = 61,688.07 : x
  2. Step 2: Convert to fraction form
    107,010.92/147,676.61 = 61,688.07/x
  3. Step 3: Cross multiply
    107,010.92x = 147,676.61 × 61,688.07
  4. Step 4: Simplify right side
    107,010.92x = 9,109,885,424.23
  5. Step 5: Solve for x
    x = 9,109,885,424.23/107,010.92
  6. Step 6: Final answer
    x = 85,130.43

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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.