Home / 58,698.20-88,220.10-57,661.40

Finding the Fourth Proportional to 58,698.20, 88,220.10 and 57,661.40

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Solution

The fourth proportional to 58,698.20, 88,220.10 and 57,661.40 is: 86,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,698.20 : 88,220.10 = 57,661.40 : x
  2. Step 2: Convert to fraction form
    58,698.20/88,220.10 = 57,661.40/x
  3. Step 3: Cross multiply
    58,698.20x = 88,220.10 × 57,661.40
  4. Step 4: Simplify right side
    58,698.20x = 5,086,894,474.14
  5. Step 5: Solve for x
    x = 5,086,894,474.14/58,698.20
  6. Step 6: Final answer
    x = 86,661.85

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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.