Home / 85,528.18-118,026.85-47,805.94

Finding the Fourth Proportional to 85,528.18, 118,026.85 and 47,805.94

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Solution

The fourth proportional to 85,528.18, 118,026.85 and 47,805.94 is: 65,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,528.18 : 118,026.85 = 47,805.94 : x
  2. Step 2: Convert to fraction form
    85,528.18/118,026.85 = 47,805.94/x
  3. Step 3: Cross multiply
    85,528.18x = 118,026.85 × 47,805.94
  4. Step 4: Simplify right side
    85,528.18x = 5,642,384,509.49
  5. Step 5: Solve for x
    x = 5,642,384,509.49/85,528.18
  6. Step 6: Final answer
    x = 65,971.06

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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.