Home / 88,120.61-121,603.15-47,833.51

Finding the Fourth Proportional to 88,120.61, 121,603.15 and 47,833.51

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Solution

The fourth proportional to 88,120.61, 121,603.15 and 47,833.51 is: 66,008.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,120.61 : 121,603.15 = 47,833.51 : x
  2. Step 2: Convert to fraction form
    88,120.61/121,603.15 = 47,833.51/x
  3. Step 3: Cross multiply
    88,120.61x = 121,603.15 × 47,833.51
  4. Step 4: Simplify right side
    88,120.61x = 5,816,705,491.56
  5. Step 5: Solve for x
    x = 5,816,705,491.56/88,120.61
  6. Step 6: Final answer
    x = 66,008.46

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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.