Home / 63,509.12-87,641.28-35,214.56

Finding the Fourth Proportional to 63,509.12, 87,641.28 and 35,214.56

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Solution

The fourth proportional to 63,509.12, 87,641.28 and 35,214.56 is: 48,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,509.12 : 87,641.28 = 35,214.56 : x
  2. Step 2: Convert to fraction form
    63,509.12/87,641.28 = 35,214.56/x
  3. Step 3: Cross multiply
    63,509.12x = 87,641.28 × 35,214.56
  4. Step 4: Simplify right side
    63,509.12x = 3,086,249,113.04
  5. Step 5: Solve for x
    x = 3,086,249,113.04/63,509.12
  6. Step 6: Final answer
    x = 48,595.37

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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.