Home / 97,312.80-145,796.40-60,333.60

Finding the Fourth Proportional to 97,312.80, 145,796.40 and 60,333.60

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Solution

The fourth proportional to 97,312.80, 145,796.40 and 60,333.60 is: 90,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,312.80 : 145,796.40 = 60,333.60 : x
  2. Step 2: Convert to fraction form
    97,312.80/145,796.40 = 60,333.60/x
  3. Step 3: Cross multiply
    97,312.80x = 145,796.40 × 60,333.60
  4. Step 4: Simplify right side
    97,312.80x = 8,796,421,679.04
  5. Step 5: Solve for x
    x = 8,796,421,679.04/97,312.80
  6. Step 6: Final answer
    x = 90,393.26

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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.