Home / 70,784.02-97,680.25-40,587.02

Finding the Fourth Proportional to 70,784.02, 97,680.25 and 40,587.02

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Solution

The fourth proportional to 70,784.02, 97,680.25 and 40,587.02 is: 56,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,784.02 : 97,680.25 = 40,587.02 : x
  2. Step 2: Convert to fraction form
    70,784.02/97,680.25 = 40,587.02/x
  3. Step 3: Cross multiply
    70,784.02x = 97,680.25 × 40,587.02
  4. Step 4: Simplify right side
    70,784.02x = 3,964,550,260.36
  5. Step 5: Solve for x
    x = 3,964,550,260.36/70,784.02
  6. Step 6: Final answer
    x = 56,009.11

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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.