Home / 98,655.51-136,144.88-62,837.85

Finding the Fourth Proportional to 98,655.51, 136,144.88 and 62,837.85

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Solution

The fourth proportional to 98,655.51, 136,144.88 and 62,837.85 is: 86,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,655.51 : 136,144.88 = 62,837.85 : x
  2. Step 2: Convert to fraction form
    98,655.51/136,144.88 = 62,837.85/x
  3. Step 3: Cross multiply
    98,655.51x = 136,144.88 × 62,837.85
  4. Step 4: Simplify right side
    98,655.51x = 8,555,051,547.71
  5. Step 5: Solve for x
    x = 8,555,051,547.71/98,655.51
  6. Step 6: Final answer
    x = 86,716.41

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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.