Home / 63,421.77-87,521.85-35,127.45

Finding the Fourth Proportional to 63,421.77, 87,521.85 and 35,127.45

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Solution

The fourth proportional to 63,421.77, 87,521.85 and 35,127.45 is: 48,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.77 : 87,521.85 = 35,127.45 : x
  2. Step 2: Convert to fraction form
    63,421.77/87,521.85 = 35,127.45/x
  3. Step 3: Cross multiply
    63,421.77x = 87,521.85 × 35,127.45
  4. Step 4: Simplify right side
    63,421.77x = 3,074,419,409.78
  5. Step 5: Solve for x
    x = 3,074,419,409.78/63,421.77
  6. Step 6: Final answer
    x = 48,475.77

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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.