Home / 99,097.22-136,715.24-56,632.97

Finding the Fourth Proportional to 99,097.22, 136,715.24 and 56,632.97

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Solution

The fourth proportional to 99,097.22, 136,715.24 and 56,632.97 is: 78,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,097.22 : 136,715.24 = 56,632.97 : x
  2. Step 2: Convert to fraction form
    99,097.22/136,715.24 = 56,632.97/x
  3. Step 3: Cross multiply
    99,097.22x = 136,715.24 × 56,632.97
  4. Step 4: Simplify right side
    99,097.22x = 7,742,589,802.30
  5. Step 5: Solve for x
    x = 7,742,589,802.30/99,097.22
  6. Step 6: Final answer
    x = 78,131.25

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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.