Home / 58,966.20-88,449.30-30,875.40

Finding the Fourth Proportional to 58,966.20, 88,449.30 and 30,875.40

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Solution

The fourth proportional to 58,966.20, 88,449.30 and 30,875.40 is: 46,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,966.20 : 88,449.30 = 30,875.40 : x
  2. Step 2: Convert to fraction form
    58,966.20/88,449.30 = 30,875.40/x
  3. Step 3: Cross multiply
    58,966.20x = 88,449.30 × 30,875.40
  4. Step 4: Simplify right side
    58,966.20x = 2,730,907,517.22
  5. Step 5: Solve for x
    x = 2,730,907,517.22/58,966.20
  6. Step 6: Final answer
    x = 46,313.10

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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.