Home / 66,010.40-91,085.96-37,717.92

Finding the Fourth Proportional to 66,010.40, 91,085.96 and 37,717.92

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Solution

The fourth proportional to 66,010.40, 91,085.96 and 37,717.92 is: 52,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010.40 : 91,085.96 = 37,717.92 : x
  2. Step 2: Convert to fraction form
    66,010.40/91,085.96 = 37,717.92/x
  3. Step 3: Cross multiply
    66,010.40x = 91,085.96 × 37,717.92
  4. Step 4: Simplify right side
    66,010.40x = 3,435,572,952.40
  5. Step 5: Solve for x
    x = 3,435,572,952.40/66,010.40
  6. Step 6: Final answer
    x = 52,045.93

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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.