Home / 70,585.22-97,407.77-38,320.09

Finding the Fourth Proportional to 70,585.22, 97,407.77 and 38,320.09

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Solution

The fourth proportional to 70,585.22, 97,407.77 and 38,320.09 is: 52,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,585.22 : 97,407.77 = 38,320.09 : x
  2. Step 2: Convert to fraction form
    70,585.22/97,407.77 = 38,320.09/x
  3. Step 3: Cross multiply
    70,585.22x = 97,407.77 × 38,320.09
  4. Step 4: Simplify right side
    70,585.22x = 3,732,674,077.98
  5. Step 5: Solve for x
    x = 3,732,674,077.98/70,585.22
  6. Step 6: Final answer
    x = 52,881.81

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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.