Home / 75,875.28-104,711.16-42,341.28

Finding the Fourth Proportional to 75,875.28, 104,711.16 and 42,341.28

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Solution

The fourth proportional to 75,875.28, 104,711.16 and 42,341.28 is: 58,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,875.28 : 104,711.16 = 42,341.28 : x
  2. Step 2: Convert to fraction form
    75,875.28/104,711.16 = 42,341.28/x
  3. Step 3: Cross multiply
    75,875.28x = 104,711.16 × 42,341.28
  4. Step 4: Simplify right side
    75,875.28x = 4,433,604,544.68
  5. Step 5: Solve for x
    x = 4,433,604,544.68/75,875.28
  6. Step 6: Final answer
    x = 58,432.79

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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.