Home / 107,090.90-147,785.27-61,768.16

Finding the Fourth Proportional to 107,090.90, 147,785.27 and 61,768.16

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Solution

The fourth proportional to 107,090.90, 147,785.27 and 61,768.16 is: 85,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,090.90 : 147,785.27 = 61,768.16 : x
  2. Step 2: Convert to fraction form
    107,090.90/147,785.27 = 61,768.16/x
  3. Step 3: Cross multiply
    107,090.90x = 147,785.27 × 61,768.16
  4. Step 4: Simplify right side
    107,090.90x = 9,128,424,203.00
  5. Step 5: Solve for x
    x = 9,128,424,203.00/107,090.90
  6. Step 6: Final answer
    x = 85,239.96

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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.