Home / 97,343.55-145,784.93-66,009.15

Finding the Fourth Proportional to 97,343.55, 145,784.93 and 66,009.15

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Solution

The fourth proportional to 97,343.55, 145,784.93 and 66,009.15 is: 98,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,343.55 : 145,784.93 = 66,009.15 : x
  2. Step 2: Convert to fraction form
    97,343.55/145,784.93 = 66,009.15/x
  3. Step 3: Cross multiply
    97,343.55x = 145,784.93 × 66,009.15
  4. Step 4: Simplify right side
    97,343.55x = 9,623,138,982.06
  5. Step 5: Solve for x
    x = 9,623,138,982.06/97,343.55
  6. Step 6: Final answer
    x = 98,857.49

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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.