Home / 96,671.60-145,007.40-70,233.20

Finding the Fourth Proportional to 96,671.60, 145,007.40 and 70,233.20

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Solution

The fourth proportional to 96,671.60, 145,007.40 and 70,233.20 is: 105,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,671.60 : 145,007.40 = 70,233.20 : x
  2. Step 2: Convert to fraction form
    96,671.60/145,007.40 = 70,233.20/x
  3. Step 3: Cross multiply
    96,671.60x = 145,007.40 × 70,233.20
  4. Step 4: Simplify right side
    96,671.60x = 10,184,333,725.68
  5. Step 5: Solve for x
    x = 10,184,333,725.68/96,671.60
  6. Step 6: Final answer
    x = 105,349.80

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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.