Home / 67,543.78-93,210.36-37,735.78

Finding the Fourth Proportional to 67,543.78, 93,210.36 and 37,735.78

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Solution

The fourth proportional to 67,543.78, 93,210.36 and 37,735.78 is: 52,075.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,543.78 : 93,210.36 = 37,735.78 : x
  2. Step 2: Convert to fraction form
    67,543.78/93,210.36 = 37,735.78/x
  3. Step 3: Cross multiply
    67,543.78x = 93,210.36 × 37,735.78
  4. Step 4: Simplify right side
    67,543.78x = 3,517,365,638.68
  5. Step 5: Solve for x
    x = 3,517,365,638.68/67,543.78
  6. Step 6: Final answer
    x = 52,075.34

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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.