Home / 67,484.64-93,140.21-39,206.74

Finding the Fourth Proportional to 67,484.64, 93,140.21 and 39,206.74

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Solution

The fourth proportional to 67,484.64, 93,140.21 and 39,206.74 is: 54,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,484.64 : 93,140.21 = 39,206.74 : x
  2. Step 2: Convert to fraction form
    67,484.64/93,140.21 = 39,206.74/x
  3. Step 3: Cross multiply
    67,484.64x = 93,140.21 × 39,206.74
  4. Step 4: Simplify right side
    67,484.64x = 3,651,723,997.02
  5. Step 5: Solve for x
    x = 3,651,723,997.02/67,484.64
  6. Step 6: Final answer
    x = 54,111.93

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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.