Home / 75,629-104,368.02-42,094.28

Finding the Fourth Proportional to 75,629, 104,368.02 and 42,094.28

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Solution

The fourth proportional to 75,629, 104,368.02 and 42,094.28 is: 58,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629 : 104,368.02 = 42,094.28 : x
  2. Step 2: Convert to fraction form
    75,629/104,368.02 = 42,094.28/x
  3. Step 3: Cross multiply
    75,629x = 104,368.02 × 42,094.28
  4. Step 4: Simplify right side
    75,629x = 4,393,296,656.93
  5. Step 5: Solve for x
    x = 4,393,296,656.93/75,629
  6. Step 6: Final answer
    x = 58,090.11

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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.