Home / 115,779.65-159,807.35-68,048.33

Finding the Fourth Proportional to 115,779.65, 159,807.35 and 68,048.33

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Solution

The fourth proportional to 115,779.65, 159,807.35 and 68,048.33 is: 93,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,779.65 : 159,807.35 = 68,048.33 : x
  2. Step 2: Convert to fraction form
    115,779.65/159,807.35 = 68,048.33/x
  3. Step 3: Cross multiply
    115,779.65x = 159,807.35 × 68,048.33
  4. Step 4: Simplify right side
    115,779.65x = 10,874,623,289.23
  5. Step 5: Solve for x
    x = 10,874,623,289.23/115,779.65
  6. Step 6: Final answer
    x = 93,925.17

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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.