Home / 108,811.12-150,155.74-61,065.24

Finding the Fourth Proportional to 108,811.12, 150,155.74 and 61,065.24

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Solution

The fourth proportional to 108,811.12, 150,155.74 and 61,065.24 is: 84,268.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,811.12 : 150,155.74 = 61,065.24 : x
  2. Step 2: Convert to fraction form
    108,811.12/150,155.74 = 61,065.24/x
  3. Step 3: Cross multiply
    108,811.12x = 150,155.74 × 61,065.24
  4. Step 4: Simplify right side
    108,811.12x = 9,169,296,300.48
  5. Step 5: Solve for x
    x = 9,169,296,300.48/108,811.12
  6. Step 6: Final answer
    x = 84,268.01

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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.