Home / 108,790.12-150,130.02-61,043.68

Finding the Fourth Proportional to 108,790.12, 150,130.02 and 61,043.68

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Solution

The fourth proportional to 108,790.12, 150,130.02 and 61,043.68 is: 84,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,790.12 : 150,130.02 = 61,043.68 : x
  2. Step 2: Convert to fraction form
    108,790.12/150,130.02 = 61,043.68/x
  3. Step 3: Cross multiply
    108,790.12x = 150,130.02 × 61,043.68
  4. Step 4: Simplify right side
    108,790.12x = 9,164,488,899.27
  5. Step 5: Solve for x
    x = 9,164,488,899.27/108,790.12
  6. Step 6: Final answer
    x = 84,240.08

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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.