Home / 71,202.02-98,254.86-39,368.81

Finding the Fourth Proportional to 71,202.02, 98,254.86 and 39,368.81

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Solution

The fourth proportional to 71,202.02, 98,254.86 and 39,368.81 is: 54,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,202.02 : 98,254.86 = 39,368.81 : x
  2. Step 2: Convert to fraction form
    71,202.02/98,254.86 = 39,368.81/x
  3. Step 3: Cross multiply
    71,202.02x = 98,254.86 × 39,368.81
  4. Step 4: Simplify right side
    71,202.02x = 3,868,177,012.92
  5. Step 5: Solve for x
    x = 3,868,177,012.92/71,202.02
  6. Step 6: Final answer
    x = 54,326.79

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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.