Home / 89,967.48-124,154.46-49,681.22

Finding the Fourth Proportional to 89,967.48, 124,154.46 and 49,681.22

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Solution

The fourth proportional to 89,967.48, 124,154.46 and 49,681.22 is: 68,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,967.48 : 124,154.46 = 49,681.22 : x
  2. Step 2: Convert to fraction form
    89,967.48/124,154.46 = 49,681.22/x
  3. Step 3: Cross multiply
    89,967.48x = 124,154.46 × 49,681.22
  4. Step 4: Simplify right side
    89,967.48x = 6,168,145,041.24
  5. Step 5: Solve for x
    x = 6,168,145,041.24/89,967.48
  6. Step 6: Final answer
    x = 68,559.72

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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.