Home / 92,984.18-128,317.65-52,705.56

Finding the Fourth Proportional to 92,984.18, 128,317.65 and 52,705.56

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Solution

The fourth proportional to 92,984.18, 128,317.65 and 52,705.56 is: 72,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,984.18 : 128,317.65 = 52,705.56 : x
  2. Step 2: Convert to fraction form
    92,984.18/128,317.65 = 52,705.56/x
  3. Step 3: Cross multiply
    92,984.18x = 128,317.65 × 52,705.56
  4. Step 4: Simplify right side
    92,984.18x = 6,763,053,601.13
  5. Step 5: Solve for x
    x = 6,763,053,601.13/92,984.18
  6. Step 6: Final answer
    x = 72,733.38

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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.