Home / 97,316.80-145,802.40-60,337.60

Finding the Fourth Proportional to 97,316.80, 145,802.40 and 60,337.60

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Solution

The fourth proportional to 97,316.80, 145,802.40 and 60,337.60 is: 90,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,316.80 : 145,802.40 = 60,337.60 : x
  2. Step 2: Convert to fraction form
    97,316.80/145,802.40 = 60,337.60/x
  3. Step 3: Cross multiply
    97,316.80x = 145,802.40 × 60,337.60
  4. Step 4: Simplify right side
    97,316.80x = 8,797,366,890.24
  5. Step 5: Solve for x
    x = 8,797,366,890.24/97,316.80
  6. Step 6: Final answer
    x = 90,399.26

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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.