Home / 80,458.16-111,031.09-46,002.55

Finding the Fourth Proportional to 80,458.16, 111,031.09 and 46,002.55

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Solution

The fourth proportional to 80,458.16, 111,031.09 and 46,002.55 is: 63,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,458.16 : 111,031.09 = 46,002.55 : x
  2. Step 2: Convert to fraction form
    80,458.16/111,031.09 = 46,002.55/x
  3. Step 3: Cross multiply
    80,458.16x = 111,031.09 × 46,002.55
  4. Step 4: Simplify right side
    80,458.16x = 5,107,712,714.12
  5. Step 5: Solve for x
    x = 5,107,712,714.12/80,458.16
  6. Step 6: Final answer
    x = 63,482.84

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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.