Home / 116,883.68-161,260.08-66,547.04

Finding the Fourth Proportional to 116,883.68, 161,260.08 and 66,547.04

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Solution

The fourth proportional to 116,883.68, 161,260.08 and 66,547.04 is: 91,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,883.68 : 161,260.08 = 66,547.04 : x
  2. Step 2: Convert to fraction form
    116,883.68/161,260.08 = 66,547.04/x
  3. Step 3: Cross multiply
    116,883.68x = 161,260.08 × 66,547.04
  4. Step 4: Simplify right side
    116,883.68x = 10,731,380,994.16
  5. Step 5: Solve for x
    x = 10,731,380,994.16/116,883.68
  6. Step 6: Final answer
    x = 91,812.48

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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.