Home / 86,287.16-119,113.03-58,009.25

Finding the Fourth Proportional to 86,287.16, 119,113.03 and 58,009.25

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Solution

The fourth proportional to 86,287.16, 119,113.03 and 58,009.25 is: 80,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,287.16 : 119,113.03 = 58,009.25 : x
  2. Step 2: Convert to fraction form
    86,287.16/119,113.03 = 58,009.25/x
  3. Step 3: Cross multiply
    86,287.16x = 119,113.03 × 58,009.25
  4. Step 4: Simplify right side
    86,287.16x = 6,909,657,688.29
  5. Step 5: Solve for x
    x = 6,909,657,688.29/86,287.16
  6. Step 6: Final answer
    x = 80,077.47

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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.