Home / 92,856.40-128,149.76-52,577.26

Finding the Fourth Proportional to 92,856.40, 128,149.76 and 52,577.26

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Solution

The fourth proportional to 92,856.40, 128,149.76 and 52,577.26 is: 72,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,856.40 : 128,149.76 = 52,577.26 : x
  2. Step 2: Convert to fraction form
    92,856.40/128,149.76 = 52,577.26/x
  3. Step 3: Cross multiply
    92,856.40x = 128,149.76 × 52,577.26
  4. Step 4: Simplify right side
    92,856.40x = 6,737,763,250.46
  5. Step 5: Solve for x
    x = 6,737,763,250.46/92,856.40
  6. Step 6: Final answer
    x = 72,561.11

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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.