Home / 92,820.96-128,083.14-52,528.32

Finding the Fourth Proportional to 92,820.96, 128,083.14 and 52,528.32

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Solution

The fourth proportional to 92,820.96, 128,083.14 and 52,528.32 is: 72,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,820.96 : 128,083.14 = 52,528.32 : x
  2. Step 2: Convert to fraction form
    92,820.96/128,083.14 = 52,528.32/x
  3. Step 3: Cross multiply
    92,820.96x = 128,083.14 × 52,528.32
  4. Step 4: Simplify right side
    92,820.96x = 6,727,992,164.52
  5. Step 5: Solve for x
    x = 6,727,992,164.52/92,820.96
  6. Step 6: Final answer
    x = 72,483.54

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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.