Home / 70,308.29-97,070.72-62,741.61

Finding the Fourth Proportional to 70,308.29, 97,070.72 and 62,741.61

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Solution

The fourth proportional to 70,308.29, 97,070.72 and 62,741.61 is: 86,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,308.29 : 97,070.72 = 62,741.61 : x
  2. Step 2: Convert to fraction form
    70,308.29/97,070.72 = 62,741.61/x
  3. Step 3: Cross multiply
    70,308.29x = 97,070.72 × 62,741.61
  4. Step 4: Simplify right side
    70,308.29x = 6,090,373,256.66
  5. Step 5: Solve for x
    x = 6,090,373,256.66/70,308.29
  6. Step 6: Final answer
    x = 86,623.83

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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.