Home / 67,420.71-93,001.29-43,213.05

Finding the Fourth Proportional to 67,420.71, 93,001.29 and 43,213.05

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Solution

The fourth proportional to 67,420.71, 93,001.29 and 43,213.05 is: 59,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420.71 : 93,001.29 = 43,213.05 : x
  2. Step 2: Convert to fraction form
    67,420.71/93,001.29 = 43,213.05/x
  3. Step 3: Cross multiply
    67,420.71x = 93,001.29 × 43,213.05
  4. Step 4: Simplify right side
    67,420.71x = 4,018,869,394.83
  5. Step 5: Solve for x
    x = 4,018,869,394.83/67,420.71
  6. Step 6: Final answer
    x = 59,608.83

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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.