Home / 92,820.41-128,070.21-52,534.18

Finding the Fourth Proportional to 92,820.41, 128,070.21 and 52,534.18

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Solution

The fourth proportional to 92,820.41, 128,070.21 and 52,534.18 is: 72,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,820.41 : 128,070.21 = 52,534.18 : x
  2. Step 2: Convert to fraction form
    92,820.41/128,070.21 = 52,534.18/x
  3. Step 3: Cross multiply
    92,820.41x = 128,070.21 × 52,534.18
  4. Step 4: Simplify right side
    92,820.41x = 6,728,063,464.78
  5. Step 5: Solve for x
    x = 6,728,063,464.78/92,820.41
  6. Step 6: Final answer
    x = 72,484.74

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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.