Home / 97,327.60-145,699.80-57,864.40

Finding the Fourth Proportional to 97,327.60, 145,699.80 and 57,864.40

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Solution

The fourth proportional to 97,327.60, 145,699.80 and 57,864.40 is: 86,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,327.60 : 145,699.80 = 57,864.40 : x
  2. Step 2: Convert to fraction form
    97,327.60/145,699.80 = 57,864.40/x
  3. Step 3: Cross multiply
    97,327.60x = 145,699.80 × 57,864.40
  4. Step 4: Simplify right side
    97,327.60x = 8,430,831,507.12
  5. Step 5: Solve for x
    x = 8,430,831,507.12/97,327.60
  6. Step 6: Final answer
    x = 86,623.23

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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.