Home / 80,519.16-111,130.12-46,547.34

Finding the Fourth Proportional to 80,519.16, 111,130.12 and 46,547.34

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Solution

The fourth proportional to 80,519.16, 111,130.12 and 46,547.34 is: 64,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,519.16 : 111,130.12 = 46,547.34 : x
  2. Step 2: Convert to fraction form
    80,519.16/111,130.12 = 46,547.34/x
  3. Step 3: Cross multiply
    80,519.16x = 111,130.12 × 46,547.34
  4. Step 4: Simplify right side
    80,519.16x = 5,172,811,881.62
  5. Step 5: Solve for x
    x = 5,172,811,881.62/80,519.16
  6. Step 6: Final answer
    x = 64,243.24

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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.