Home / 67,420.76-93,001.37-43,213.10

Finding the Fourth Proportional to 67,420.76, 93,001.37 and 43,213.10

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Solution

The fourth proportional to 67,420.76, 93,001.37 and 43,213.10 is: 59,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420.76 : 93,001.37 = 43,213.10 : x
  2. Step 2: Convert to fraction form
    67,420.76/93,001.37 = 43,213.10/x
  3. Step 3: Cross multiply
    67,420.76x = 93,001.37 × 43,213.10
  4. Step 4: Simplify right side
    67,420.76x = 4,018,877,842.48
  5. Step 5: Solve for x
    x = 4,018,877,842.48/67,420.76
  6. Step 6: Final answer
    x = 59,608.91

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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.