Home / 98,849.12-136,412.90-53,528.12

Finding the Fourth Proportional to 98,849.12, 136,412.90 and 53,528.12

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Solution

The fourth proportional to 98,849.12, 136,412.90 and 53,528.12 is: 73,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,849.12 : 136,412.90 = 53,528.12 : x
  2. Step 2: Convert to fraction form
    98,849.12/136,412.90 = 53,528.12/x
  3. Step 3: Cross multiply
    98,849.12x = 136,412.90 × 53,528.12
  4. Step 4: Simplify right side
    98,849.12x = 7,301,926,080.75
  5. Step 5: Solve for x
    x = 7,301,926,080.75/98,849.12
  6. Step 6: Final answer
    x = 73,869.41

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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.