Home / 75,603.38-104,332.66-42,069.38

Finding the Fourth Proportional to 75,603.38, 104,332.66 and 42,069.38

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Solution

The fourth proportional to 75,603.38, 104,332.66 and 42,069.38 is: 58,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,603.38 : 104,332.66 = 42,069.38 : x
  2. Step 2: Convert to fraction form
    75,603.38/104,332.66 = 42,069.38/x
  3. Step 3: Cross multiply
    75,603.38x = 104,332.66 × 42,069.38
  4. Step 4: Simplify right side
    75,603.38x = 4,389,209,693.11
  5. Step 5: Solve for x
    x = 4,389,209,693.11/75,603.38
  6. Step 6: Final answer
    x = 58,055.74

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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.