Home / 118,612.48-163,658.46-70,856.50

Finding the Fourth Proportional to 118,612.48, 163,658.46 and 70,856.50

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Solution

The fourth proportional to 118,612.48, 163,658.46 and 70,856.50 is: 97,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,612.48 : 163,658.46 = 70,856.50 : x
  2. Step 2: Convert to fraction form
    118,612.48/163,658.46 = 70,856.50/x
  3. Step 3: Cross multiply
    118,612.48x = 163,658.46 × 70,856.50
  4. Step 4: Simplify right side
    118,612.48x = 11,596,265,670.99
  5. Step 5: Solve for x
    x = 11,596,265,670.99/118,612.48
  6. Step 6: Final answer
    x = 97,765.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.