Home / 63,354.07-87,438.43-36,130.21

Finding the Fourth Proportional to 63,354.07, 87,438.43 and 36,130.21

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Solution

The fourth proportional to 63,354.07, 87,438.43 and 36,130.21 is: 49,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,354.07 : 87,438.43 = 36,130.21 : x
  2. Step 2: Convert to fraction form
    63,354.07/87,438.43 = 36,130.21/x
  3. Step 3: Cross multiply
    63,354.07x = 87,438.43 × 36,130.21
  4. Step 4: Simplify right side
    63,354.07x = 3,159,168,461.30
  5. Step 5: Solve for x
    x = 3,159,168,461.30/63,354.07
  6. Step 6: Final answer
    x = 49,865.28

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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.