Home / 92,820.55-128,070.41-52,534.32

Finding the Fourth Proportional to 92,820.55, 128,070.41 and 52,534.32

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Solution

The fourth proportional to 92,820.55, 128,070.41 and 52,534.32 is: 72,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,820.55 : 128,070.41 = 52,534.32 : x
  2. Step 2: Convert to fraction form
    92,820.55/128,070.41 = 52,534.32/x
  3. Step 3: Cross multiply
    92,820.55x = 128,070.41 × 52,534.32
  4. Step 4: Simplify right side
    92,820.55x = 6,728,091,901.47
  5. Step 5: Solve for x
    x = 6,728,091,901.47/92,820.55
  6. Step 6: Final answer
    x = 72,484.94

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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.