Home / 91,386.38-126,060.62-53,653.34

Finding the Fourth Proportional to 91,386.38, 126,060.62 and 53,653.34

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Solution

The fourth proportional to 91,386.38, 126,060.62 and 53,653.34 is: 74,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,386.38 : 126,060.62 = 53,653.34 : x
  2. Step 2: Convert to fraction form
    91,386.38/126,060.62 = 53,653.34/x
  3. Step 3: Cross multiply
    91,386.38x = 126,060.62 × 53,653.34
  4. Step 4: Simplify right side
    91,386.38x = 6,763,573,305.47
  5. Step 5: Solve for x
    x = 6,763,573,305.47/91,386.38
  6. Step 6: Final answer
    x = 74,010.74

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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.