Home / 67,779.17-93,512.85-40,911.47

Finding the Fourth Proportional to 67,779.17, 93,512.85 and 40,911.47

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Solution

The fourth proportional to 67,779.17, 93,512.85 and 40,911.47 is: 56,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,779.17 : 93,512.85 = 40,911.47 : x
  2. Step 2: Convert to fraction form
    67,779.17/93,512.85 = 40,911.47/x
  3. Step 3: Cross multiply
    67,779.17x = 93,512.85 × 40,911.47
  4. Step 4: Simplify right side
    67,779.17x = 3,825,748,157.39
  5. Step 5: Solve for x
    x = 3,825,748,157.39/67,779.17
  6. Step 6: Final answer
    x = 56,444.31

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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.