Home / 86,340.48-129,458.88-58,554.24

Finding the Fourth Proportional to 86,340.48, 129,458.88 and 58,554.24

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Solution

The fourth proportional to 86,340.48, 129,458.88 and 58,554.24 is: 87,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,340.48 : 129,458.88 = 58,554.24 : x
  2. Step 2: Convert to fraction form
    86,340.48/129,458.88 = 58,554.24/x
  3. Step 3: Cross multiply
    86,340.48x = 129,458.88 × 58,554.24
  4. Step 4: Simplify right side
    86,340.48x = 7,580,366,329.65
  5. Step 5: Solve for x
    x = 7,580,366,329.65/86,340.48
  6. Step 6: Final answer
    x = 87,796.20

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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.