Home / 82,918.90-114,337.74-56,014.72

Finding the Fourth Proportional to 82,918.90, 114,337.74 and 56,014.72

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Solution

The fourth proportional to 82,918.90, 114,337.74 and 56,014.72 is: 77,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,918.90 : 114,337.74 = 56,014.72 : x
  2. Step 2: Convert to fraction form
    82,918.90/114,337.74 = 56,014.72/x
  3. Step 3: Cross multiply
    82,918.90x = 114,337.74 × 56,014.72
  4. Step 4: Simplify right side
    82,918.90x = 6,404,596,491.53
  5. Step 5: Solve for x
    x = 6,404,596,491.53/82,918.90
  6. Step 6: Final answer
    x = 77,239.28

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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.