Home / 92,951.02-128,272.17-50,509.55

Finding the Fourth Proportional to 92,951.02, 128,272.17 and 50,509.55

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Solution

The fourth proportional to 92,951.02, 128,272.17 and 50,509.55 is: 69,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,951.02 : 128,272.17 = 50,509.55 : x
  2. Step 2: Convert to fraction form
    92,951.02/128,272.17 = 50,509.55/x
  3. Step 3: Cross multiply
    92,951.02x = 128,272.17 × 50,509.55
  4. Step 4: Simplify right side
    92,951.02x = 6,478,970,094.31
  5. Step 5: Solve for x
    x = 6,478,970,094.31/92,951.02
  6. Step 6: Final answer
    x = 69,703.05

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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.