Home / 112,988.30-155,933.54-62,010.89

Finding the Fourth Proportional to 112,988.30, 155,933.54 and 62,010.89

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Solution

The fourth proportional to 112,988.30, 155,933.54 and 62,010.89 is: 85,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,988.30 : 155,933.54 = 62,010.89 : x
  2. Step 2: Convert to fraction form
    112,988.30/155,933.54 = 62,010.89/x
  3. Step 3: Cross multiply
    112,988.30x = 155,933.54 × 62,010.89
  4. Step 4: Simplify right side
    112,988.30x = 9,669,577,710.94
  5. Step 5: Solve for x
    x = 9,669,577,710.94/112,988.30
  6. Step 6: Final answer
    x = 85,580.34

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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.