Home / 84,210.12-116,206.02-48,374.92

Finding the Fourth Proportional to 84,210.12, 116,206.02 and 48,374.92

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Solution

The fourth proportional to 84,210.12, 116,206.02 and 48,374.92 is: 66,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,210.12 : 116,206.02 = 48,374.92 : x
  2. Step 2: Convert to fraction form
    84,210.12/116,206.02 = 48,374.92/x
  3. Step 3: Cross multiply
    84,210.12x = 116,206.02 × 48,374.92
  4. Step 4: Simplify right side
    84,210.12x = 5,621,456,921.02
  5. Step 5: Solve for x
    x = 5,621,456,921.02/84,210.12
  6. Step 6: Final answer
    x = 66,755.12

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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.