Home / 79,095.16-109,140.78-45,554.68

Finding the Fourth Proportional to 79,095.16, 109,140.78 and 45,554.68

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Solution

The fourth proportional to 79,095.16, 109,140.78 and 45,554.68 is: 62,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,095.16 : 109,140.78 = 45,554.68 : x
  2. Step 2: Convert to fraction form
    79,095.16/109,140.78 = 45,554.68/x
  3. Step 3: Cross multiply
    79,095.16x = 109,140.78 × 45,554.68
  4. Step 4: Simplify right side
    79,095.16x = 4,971,873,307.85
  5. Step 5: Solve for x
    x = 4,971,873,307.85/79,095.16
  6. Step 6: Final answer
    x = 62,859.39

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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.