Home / 97,132.48-145,392.96-66,970.24

Finding the Fourth Proportional to 97,132.48, 145,392.96 and 66,970.24

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Solution

The fourth proportional to 97,132.48, 145,392.96 and 66,970.24 is: 100,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,132.48 : 145,392.96 = 66,970.24 : x
  2. Step 2: Convert to fraction form
    97,132.48/145,392.96 = 66,970.24/x
  3. Step 3: Cross multiply
    97,132.48x = 145,392.96 × 66,970.24
  4. Step 4: Simplify right side
    97,132.48x = 9,737,001,425.51
  5. Step 5: Solve for x
    x = 9,737,001,425.51/97,132.48
  6. Step 6: Final answer
    x = 100,244.55

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1.5x scale

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.