Home / 85,943.38-118,599.59-47,702.82

Finding the Fourth Proportional to 85,943.38, 118,599.59 and 47,702.82

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Solution

The fourth proportional to 85,943.38, 118,599.59 and 47,702.82 is: 65,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,943.38 : 118,599.59 = 47,702.82 : x
  2. Step 2: Convert to fraction form
    85,943.38/118,599.59 = 47,702.82/x
  3. Step 3: Cross multiply
    85,943.38x = 118,599.59 × 47,702.82
  4. Step 4: Simplify right side
    85,943.38x = 5,657,534,655.33
  5. Step 5: Solve for x
    x = 5,657,534,655.33/85,943.38
  6. Step 6: Final answer
    x = 65,828.63

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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.