Home / 98,613.68-136,071.24-56,173.04

Finding the Fourth Proportional to 98,613.68, 136,071.24 and 56,173.04

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Solution

The fourth proportional to 98,613.68, 136,071.24 and 56,173.04 is: 77,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,613.68 : 136,071.24 = 56,173.04 : x
  2. Step 2: Convert to fraction form
    98,613.68/136,071.24 = 56,173.04/x
  3. Step 3: Cross multiply
    98,613.68x = 136,071.24 × 56,173.04
  4. Step 4: Simplify right side
    98,613.68x = 7,643,535,207.37
  5. Step 5: Solve for x
    x = 7,643,535,207.37/98,613.68
  6. Step 6: Final answer
    x = 77,509.89

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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.