Home / 82,853.40-114,337.64-45,127.65

Finding the Fourth Proportional to 82,853.40, 114,337.64 and 45,127.65

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Solution

The fourth proportional to 82,853.40, 114,337.64 and 45,127.65 is: 62,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,853.40 : 114,337.64 = 45,127.65 : x
  2. Step 2: Convert to fraction form
    82,853.40/114,337.64 = 45,127.65/x
  3. Step 3: Cross multiply
    82,853.40x = 114,337.64 × 45,127.65
  4. Step 4: Simplify right side
    82,853.40x = 5,159,788,774.11
  5. Step 5: Solve for x
    x = 5,159,788,774.11/82,853.40
  6. Step 6: Final answer
    x = 62,276.13

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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.