Home / 92,805.03-128,070.86-52,518.06

Finding the Fourth Proportional to 92,805.03, 128,070.86 and 52,518.06

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Solution

The fourth proportional to 92,805.03, 128,070.86 and 52,518.06 is: 72,474.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,805.03 : 128,070.86 = 52,518.06 : x
  2. Step 2: Convert to fraction form
    92,805.03/128,070.86 = 52,518.06/x
  3. Step 3: Cross multiply
    92,805.03x = 128,070.86 × 52,518.06
  4. Step 4: Simplify right side
    92,805.03x = 6,726,032,469.38
  5. Step 5: Solve for x
    x = 6,726,032,469.38/92,805.03
  6. Step 6: Final answer
    x = 72,474.87

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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.