Home / 108,303.78-162,438.93-41,775.06

Finding the Fourth Proportional to 108,303.78, 162,438.93 and 41,775.06

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Solution

The fourth proportional to 108,303.78, 162,438.93 and 41,775.06 is: 62,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,303.78 : 162,438.93 = 41,775.06 : x
  2. Step 2: Convert to fraction form
    108,303.78/162,438.93 = 41,775.06/x
  3. Step 3: Cross multiply
    108,303.78x = 162,438.93 × 41,775.06
  4. Step 4: Simplify right side
    108,303.78x = 6,785,896,047.09
  5. Step 5: Solve for x
    x = 6,785,896,047.09/108,303.78
  6. Step 6: Final answer
    x = 62,656.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.