Home / 84,549.42-116,412.64-71,776.13

Finding the Fourth Proportional to 84,549.42, 116,412.64 and 71,776.13

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Solution

The fourth proportional to 84,549.42, 116,412.64 and 71,776.13 is: 98,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,549.42 : 116,412.64 = 71,776.13 : x
  2. Step 2: Convert to fraction form
    84,549.42/116,412.64 = 71,776.13/x
  3. Step 3: Cross multiply
    84,549.42x = 116,412.64 × 71,776.13
  4. Step 4: Simplify right side
    84,549.42x = 8,355,648,424.52
  5. Step 5: Solve for x
    x = 8,355,648,424.52/84,549.42
  6. Step 6: Final answer
    x = 98,825.61

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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.