Home / 66,955.31-92,398.32-38,275.59

Finding the Fourth Proportional to 66,955.31, 92,398.32 and 38,275.59

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Solution

The fourth proportional to 66,955.31, 92,398.32 and 38,275.59 is: 52,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,955.31 : 92,398.32 = 38,275.59 : x
  2. Step 2: Convert to fraction form
    66,955.31/92,398.32 = 38,275.59/x
  3. Step 3: Cross multiply
    66,955.31x = 92,398.32 × 38,275.59
  4. Step 4: Simplify right side
    66,955.31x = 3,536,600,039.76
  5. Step 5: Solve for x
    x = 3,536,600,039.76/66,955.31
  6. Step 6: Final answer
    x = 52,820.31

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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.