Home / 107,152.64-147,871.20-61,832.52

Finding the Fourth Proportional to 107,152.64, 147,871.20 and 61,832.52

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Solution

The fourth proportional to 107,152.64, 147,871.20 and 61,832.52 is: 85,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,152.64 : 147,871.20 = 61,832.52 : x
  2. Step 2: Convert to fraction form
    107,152.64/147,871.20 = 61,832.52/x
  3. Step 3: Cross multiply
    107,152.64x = 147,871.20 × 61,832.52
  4. Step 4: Simplify right side
    107,152.64x = 9,143,248,931.42
  5. Step 5: Solve for x
    x = 9,143,248,931.42/107,152.64
  6. Step 6: Final answer
    x = 85,329.20

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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.