Home / 70,680.12-97,543.17-43,840.47

Finding the Fourth Proportional to 70,680.12, 97,543.17 and 43,840.47

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Solution

The fourth proportional to 70,680.12, 97,543.17 and 43,840.47 is: 60,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,680.12 : 97,543.17 = 43,840.47 : x
  2. Step 2: Convert to fraction form
    70,680.12/97,543.17 = 43,840.47/x
  3. Step 3: Cross multiply
    70,680.12x = 97,543.17 × 43,840.47
  4. Step 4: Simplify right side
    70,680.12x = 4,276,338,418.09
  5. Step 5: Solve for x
    x = 4,276,338,418.09/70,680.12
  6. Step 6: Final answer
    x = 60,502.70

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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.