Home / 92,979.02-128,307.44-50,536.64

Finding the Fourth Proportional to 92,979.02, 128,307.44 and 50,536.64

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Solution

The fourth proportional to 92,979.02, 128,307.44 and 50,536.64 is: 69,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,979.02 : 128,307.44 = 50,536.64 : x
  2. Step 2: Convert to fraction form
    92,979.02/128,307.44 = 50,536.64/x
  3. Step 3: Cross multiply
    92,979.02x = 128,307.44 × 50,536.64
  4. Step 4: Simplify right side
    92,979.02x = 6,484,226,904.60
  5. Step 5: Solve for x
    x = 6,484,226,904.60/92,979.02
  6. Step 6: Final answer
    x = 69,738.60

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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.