Home / 94,775.40-142,316.70-68,663.40

Finding the Fourth Proportional to 94,775.40, 142,316.70 and 68,663.40

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Solution

The fourth proportional to 94,775.40, 142,316.70 and 68,663.40 is: 103,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,775.40 : 142,316.70 = 68,663.40 : x
  2. Step 2: Convert to fraction form
    94,775.40/142,316.70 = 68,663.40/x
  3. Step 3: Cross multiply
    94,775.40x = 142,316.70 × 68,663.40
  4. Step 4: Simplify right side
    94,775.40x = 9,771,948,498.78
  5. Step 5: Solve for x
    x = 9,771,948,498.78/94,775.40
  6. Step 6: Final answer
    x = 103,106.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.