Home / 90,869.70-125,329.14-59,048.82

Finding the Fourth Proportional to 90,869.70, 125,329.14 and 59,048.82

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Solution

The fourth proportional to 90,869.70, 125,329.14 and 59,048.82 is: 81,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,869.70 : 125,329.14 = 59,048.82 : x
  2. Step 2: Convert to fraction form
    90,869.70/125,329.14 = 59,048.82/x
  3. Step 3: Cross multiply
    90,869.70x = 125,329.14 × 59,048.82
  4. Step 4: Simplify right side
    90,869.70x = 7,400,537,828.61
  5. Step 5: Solve for x
    x = 7,400,537,828.61/90,869.70
  6. Step 6: Final answer
    x = 81,441.20

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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.