Home / 67,688.64-93,459.60-54,333.36

Finding the Fourth Proportional to 67,688.64, 93,459.60 and 54,333.36

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Solution

The fourth proportional to 67,688.64, 93,459.60 and 54,333.36 is: 75,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,688.64 : 93,459.60 = 54,333.36 : x
  2. Step 2: Convert to fraction form
    67,688.64/93,459.60 = 54,333.36/x
  3. Step 3: Cross multiply
    67,688.64x = 93,459.60 × 54,333.36
  4. Step 4: Simplify right side
    67,688.64x = 5,077,974,092.26
  5. Step 5: Solve for x
    x = 5,077,974,092.26/67,688.64
  6. Step 6: Final answer
    x = 75,019.59

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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.