Home / 110,011.15-151,802.79-61,606.33

Finding the Fourth Proportional to 110,011.15, 151,802.79 and 61,606.33

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Solution

The fourth proportional to 110,011.15, 151,802.79 and 61,606.33 is: 85,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,011.15 : 151,802.79 = 61,606.33 : x
  2. Step 2: Convert to fraction form
    110,011.15/151,802.79 = 61,606.33/x
  3. Step 3: Cross multiply
    110,011.15x = 151,802.79 × 61,606.33
  4. Step 4: Simplify right side
    110,011.15x = 9,352,012,775.66
  5. Step 5: Solve for x
    x = 9,352,012,775.66/110,011.15
  6. Step 6: Final answer
    x = 85,009.68

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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.