Home / 63,419.12-87,518.32-35,124.92

Finding the Fourth Proportional to 63,419.12, 87,518.32 and 35,124.92

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Solution

The fourth proportional to 63,419.12, 87,518.32 and 35,124.92 is: 48,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,419.12 : 87,518.32 = 35,124.92 : x
  2. Step 2: Convert to fraction form
    63,419.12/87,518.32 = 35,124.92/x
  3. Step 3: Cross multiply
    63,419.12x = 87,518.32 × 35,124.92
  4. Step 4: Simplify right side
    63,419.12x = 3,074,073,988.53
  5. Step 5: Solve for x
    x = 3,074,073,988.53/63,419.12
  6. Step 6: Final answer
    x = 48,472.35

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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.