Home / 107,214.52-147,962.75-61,900.81

Finding the Fourth Proportional to 107,214.52, 147,962.75 and 61,900.81

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Solution

The fourth proportional to 107,214.52, 147,962.75 and 61,900.81 is: 85,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,214.52 : 147,962.75 = 61,900.81 : x
  2. Step 2: Convert to fraction form
    107,214.52/147,962.75 = 61,900.81/x
  3. Step 3: Cross multiply
    107,214.52x = 147,962.75 × 61,900.81
  4. Step 4: Simplify right side
    107,214.52x = 9,159,014,074.83
  5. Step 5: Solve for x
    x = 9,159,014,074.83/107,214.52
  6. Step 6: Final answer
    x = 85,426.99

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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.