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Finding the Fourth Proportional to 85,265.93, 117,675.29 and 63,718.25

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Solution

The fourth proportional to 85,265.93, 117,675.29 and 63,718.25 is: 87,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,265.93 : 117,675.29 = 63,718.25 : x
  2. Step 2: Convert to fraction form
    85,265.93/117,675.29 = 63,718.25/x
  3. Step 3: Cross multiply
    85,265.93x = 117,675.29 × 63,718.25
  4. Step 4: Simplify right side
    85,265.93x = 7,498,064,000.53
  5. Step 5: Solve for x
    x = 7,498,064,000.53/85,265.93
  6. Step 6: Final answer
    x = 87,937.40

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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.