Home / 89,802.01-134,703.02-39,870.37

Finding the Fourth Proportional to 89,802.01, 134,703.02 and 39,870.37

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Solution

The fourth proportional to 89,802.01, 134,703.02 and 39,870.37 is: 59,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,802.01 : 134,703.02 = 39,870.37 : x
  2. Step 2: Convert to fraction form
    89,802.01/134,703.02 = 39,870.37/x
  3. Step 3: Cross multiply
    89,802.01x = 134,703.02 × 39,870.37
  4. Step 4: Simplify right side
    89,802.01x = 5,370,659,048.17
  5. Step 5: Solve for x
    x = 5,370,659,048.17/89,802.01
  6. Step 6: Final answer
    x = 59,805.56

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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.