Home / 75,394.16-113,117.08-47,280.28

Finding the Fourth Proportional to 75,394.16, 113,117.08 and 47,280.28

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Solution

The fourth proportional to 75,394.16, 113,117.08 and 47,280.28 is: 70,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,394.16 : 113,117.08 = 47,280.28 : x
  2. Step 2: Convert to fraction form
    75,394.16/113,117.08 = 47,280.28/x
  3. Step 3: Cross multiply
    75,394.16x = 113,117.08 × 47,280.28
  4. Step 4: Simplify right side
    75,394.16x = 5,348,207,215.18
  5. Step 5: Solve for x
    x = 5,348,207,215.18/75,394.16
  6. Step 6: Final answer
    x = 70,936.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.