Home / 71,613.36-98,853.06-61,501.20

Finding the Fourth Proportional to 71,613.36, 98,853.06 and 61,501.20

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Solution

The fourth proportional to 71,613.36, 98,853.06 and 61,501.20 is: 84,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,613.36 : 98,853.06 = 61,501.20 : x
  2. Step 2: Convert to fraction form
    71,613.36/98,853.06 = 61,501.20/x
  3. Step 3: Cross multiply
    71,613.36x = 98,853.06 × 61,501.20
  4. Step 4: Simplify right side
    71,613.36x = 6,079,581,813.67
  5. Step 5: Solve for x
    x = 6,079,581,813.67/71,613.36
  6. Step 6: Final answer
    x = 84,894.52

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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.