Home / 67,487.04-93,132.12-39,194.55

Finding the Fourth Proportional to 67,487.04, 93,132.12 and 39,194.55

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Solution

The fourth proportional to 67,487.04, 93,132.12 and 39,194.55 is: 54,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,487.04 : 93,132.12 = 39,194.55 : x
  2. Step 2: Convert to fraction form
    67,487.04/93,132.12 = 39,194.55/x
  3. Step 3: Cross multiply
    67,487.04x = 93,132.12 × 39,194.55
  4. Step 4: Simplify right side
    67,487.04x = 3,650,271,533.95
  5. Step 5: Solve for x
    x = 3,650,271,533.95/67,487.04
  6. Step 6: Final answer
    x = 54,088.48

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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.