Home / 57,820.52-79,776.12-36,312.60

Finding the Fourth Proportional to 57,820.52, 79,776.12 and 36,312.60

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Solution

The fourth proportional to 57,820.52, 79,776.12 and 36,312.60 is: 50,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,820.52 : 79,776.12 = 36,312.60 : x
  2. Step 2: Convert to fraction form
    57,820.52/79,776.12 = 36,312.60/x
  3. Step 3: Cross multiply
    57,820.52x = 79,776.12 × 36,312.60
  4. Step 4: Simplify right side
    57,820.52x = 2,896,878,335.11
  5. Step 5: Solve for x
    x = 2,896,878,335.11/57,820.52
  6. Step 6: Final answer
    x = 50,101.22

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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.