Home / 98,061.22-135,323.22-57,776.68

Finding the Fourth Proportional to 98,061.22, 135,323.22 and 57,776.68

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Solution

The fourth proportional to 98,061.22, 135,323.22 and 57,776.68 is: 79,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,061.22 : 135,323.22 = 57,776.68 : x
  2. Step 2: Convert to fraction form
    98,061.22/135,323.22 = 57,776.68/x
  3. Step 3: Cross multiply
    98,061.22x = 135,323.22 × 57,776.68
  4. Step 4: Simplify right side
    98,061.22x = 7,818,526,378.51
  5. Step 5: Solve for x
    x = 7,818,526,378.51/98,061.22
  6. Step 6: Final answer
    x = 79,731.07

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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.