Home / 105,267.66-145,279.53-57,528.24

Finding the Fourth Proportional to 105,267.66, 145,279.53 and 57,528.24

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Solution

The fourth proportional to 105,267.66, 145,279.53 and 57,528.24 is: 79,394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,267.66 : 145,279.53 = 57,528.24 : x
  2. Step 2: Convert to fraction form
    105,267.66/145,279.53 = 57,528.24/x
  3. Step 3: Cross multiply
    105,267.66x = 145,279.53 × 57,528.24
  4. Step 4: Simplify right side
    105,267.66x = 8,357,675,668.93
  5. Step 5: Solve for x
    x = 8,357,675,668.93/105,267.66
  6. Step 6: Final answer
    x = 79,394.52

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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.