Home / 84,547.20-116,409.58-71,773.91

Finding the Fourth Proportional to 84,547.20, 116,409.58 and 71,773.91

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Solution

The fourth proportional to 84,547.20, 116,409.58 and 71,773.91 is: 98,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,547.20 : 116,409.58 = 71,773.91 : x
  2. Step 2: Convert to fraction form
    84,547.20/116,409.58 = 71,773.91/x
  3. Step 3: Cross multiply
    84,547.20x = 116,409.58 × 71,773.91
  4. Step 4: Simplify right side
    84,547.20x = 8,355,170,718.06
  5. Step 5: Solve for x
    x = 8,355,170,718.06/84,547.20
  6. Step 6: Final answer
    x = 98,822.56

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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.