Home / 67,607.52-93,243.60-51,666.72

Finding the Fourth Proportional to 67,607.52, 93,243.60 and 51,666.72

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Solution

The fourth proportional to 67,607.52, 93,243.60 and 51,666.72 is: 71,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,607.52 : 93,243.60 = 51,666.72 : x
  2. Step 2: Convert to fraction form
    67,607.52/93,243.60 = 51,666.72/x
  3. Step 3: Cross multiply
    67,607.52x = 93,243.60 × 51,666.72
  4. Step 4: Simplify right side
    67,607.52x = 4,817,590,972.99
  5. Step 5: Solve for x
    x = 4,817,590,972.99/67,607.52
  6. Step 6: Final answer
    x = 71,258.21

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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.