Home / 79,352.19-109,488.92-45,798.75

Finding the Fourth Proportional to 79,352.19, 109,488.92 and 45,798.75

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Solution

The fourth proportional to 79,352.19, 109,488.92 and 45,798.75 is: 63,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,352.19 : 109,488.92 = 45,798.75 : x
  2. Step 2: Convert to fraction form
    79,352.19/109,488.92 = 45,798.75/x
  3. Step 3: Cross multiply
    79,352.19x = 109,488.92 × 45,798.75
  4. Step 4: Simplify right side
    79,352.19x = 5,014,455,445.86
  5. Step 5: Solve for x
    x = 5,014,455,445.86/79,352.19
  6. Step 6: Final answer
    x = 63,192.40

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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.