Home / 98,608.23-136,046.12-56,136.69

Finding the Fourth Proportional to 98,608.23, 136,046.12 and 56,136.69

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Solution

The fourth proportional to 98,608.23, 136,046.12 and 56,136.69 is: 77,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,608.23 : 136,046.12 = 56,136.69 : x
  2. Step 2: Convert to fraction form
    98,608.23/136,046.12 = 56,136.69/x
  3. Step 3: Cross multiply
    98,608.23x = 136,046.12 × 56,136.69
  4. Step 4: Simplify right side
    98,608.23x = 7,637,178,583.46
  5. Step 5: Solve for x
    x = 7,637,178,583.46/98,608.23
  6. Step 6: Final answer
    x = 77,449.71

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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.