Home / 97,244.60-145,575.30-57,781.40

Finding the Fourth Proportional to 97,244.60, 145,575.30 and 57,781.40

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Solution

The fourth proportional to 97,244.60, 145,575.30 and 57,781.40 is: 86,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,244.60 : 145,575.30 = 57,781.40 : x
  2. Step 2: Convert to fraction form
    97,244.60/145,575.30 = 57,781.40/x
  3. Step 3: Cross multiply
    97,244.60x = 145,575.30 × 57,781.40
  4. Step 4: Simplify right side
    97,244.60x = 8,411,544,639.42
  5. Step 5: Solve for x
    x = 8,411,544,639.42/97,244.60
  6. Step 6: Final answer
    x = 86,498.84

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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.