Home / 75,925.75-104,784.02-42,398.23

Finding the Fourth Proportional to 75,925.75, 104,784.02 and 42,398.23

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Solution

The fourth proportional to 75,925.75, 104,784.02 and 42,398.23 is: 58,513.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,925.75 : 104,784.02 = 42,398.23 : x
  2. Step 2: Convert to fraction form
    75,925.75/104,784.02 = 42,398.23/x
  3. Step 3: Cross multiply
    75,925.75x = 104,784.02 × 42,398.23
  4. Step 4: Simplify right side
    75,925.75x = 4,442,656,768.29
  5. Step 5: Solve for x
    x = 4,442,656,768.29/75,925.75
  6. Step 6: Final answer
    x = 58,513.18

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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.