Home / 64,686.06-97,029.09-38,412.90

Finding the Fourth Proportional to 64,686.06, 97,029.09 and 38,412.90

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Solution

The fourth proportional to 64,686.06, 97,029.09 and 38,412.90 is: 57,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686.06 : 97,029.09 = 38,412.90 : x
  2. Step 2: Convert to fraction form
    64,686.06/97,029.09 = 38,412.90/x
  3. Step 3: Cross multiply
    64,686.06x = 97,029.09 × 38,412.90
  4. Step 4: Simplify right side
    64,686.06x = 3,727,168,731.26
  5. Step 5: Solve for x
    x = 3,727,168,731.26/64,686.06
  6. Step 6: Final answer
    x = 57,619.35

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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.