Home / 107,720.04-148,661.70-62,410.20

Finding the Fourth Proportional to 107,720.04, 148,661.70 and 62,410.20

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Solution

The fourth proportional to 107,720.04, 148,661.70 and 62,410.20 is: 86,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,720.04 : 148,661.70 = 62,410.20 : x
  2. Step 2: Convert to fraction form
    107,720.04/148,661.70 = 62,410.20/x
  3. Step 3: Cross multiply
    107,720.04x = 148,661.70 × 62,410.20
  4. Step 4: Simplify right side
    107,720.04x = 9,278,006,429.34
  5. Step 5: Solve for x
    x = 9,278,006,429.34/107,720.04
  6. Step 6: Final answer
    x = 86,130.74

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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.