Home / 94,212.06-130,141.53-76,526.52

Finding the Fourth Proportional to 94,212.06, 130,141.53 and 76,526.52

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Solution

The fourth proportional to 94,212.06, 130,141.53 and 76,526.52 is: 105,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,212.06 : 130,141.53 = 76,526.52 : x
  2. Step 2: Convert to fraction form
    94,212.06/130,141.53 = 76,526.52/x
  3. Step 3: Cross multiply
    94,212.06x = 130,141.53 × 76,526.52
  4. Step 4: Simplify right side
    94,212.06x = 9,959,278,398.38
  5. Step 5: Solve for x
    x = 9,959,278,398.38/94,212.06
  6. Step 6: Final answer
    x = 105,711.29

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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.