Home / 94,938.08-142,282.54-69,860.70

Finding the Fourth Proportional to 94,938.08, 142,282.54 and 69,860.70

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Solution

The fourth proportional to 94,938.08, 142,282.54 and 69,860.70 is: 104,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,938.08 : 142,282.54 = 69,860.70 : x
  2. Step 2: Convert to fraction form
    94,938.08/142,282.54 = 69,860.70/x
  3. Step 3: Cross multiply
    94,938.08x = 142,282.54 × 69,860.70
  4. Step 4: Simplify right side
    94,938.08x = 9,939,957,929.50
  5. Step 5: Solve for x
    x = 9,939,957,929.50/94,938.08
  6. Step 6: Final answer
    x = 104,699.38

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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.