Home / 107,102.10-147,801.24-59,356.30

Finding the Fourth Proportional to 107,102.10, 147,801.24 and 59,356.30

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Solution

The fourth proportional to 107,102.10, 147,801.24 and 59,356.30 is: 81,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,102.10 : 147,801.24 = 59,356.30 : x
  2. Step 2: Convert to fraction form
    107,102.10/147,801.24 = 59,356.30/x
  3. Step 3: Cross multiply
    107,102.10x = 147,801.24 × 59,356.30
  4. Step 4: Simplify right side
    107,102.10x = 8,772,934,741.81
  5. Step 5: Solve for x
    x = 8,772,934,741.81/107,102.10
  6. Step 6: Final answer
    x = 81,911.88

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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.