Home / 107,386.12-148,199.40-62,072.32

Finding the Fourth Proportional to 107,386.12, 148,199.40 and 62,072.32

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Solution

The fourth proportional to 107,386.12, 148,199.40 and 62,072.32 is: 85,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,386.12 : 148,199.40 = 62,072.32 : x
  2. Step 2: Convert to fraction form
    107,386.12/148,199.40 = 62,072.32/x
  3. Step 3: Cross multiply
    107,386.12x = 148,199.40 × 62,072.32
  4. Step 4: Simplify right side
    107,386.12x = 9,199,080,580.61
  5. Step 5: Solve for x
    x = 9,199,080,580.61/107,386.12
  6. Step 6: Final answer
    x = 85,663.59

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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.