Home / 76,152.32-114,266.88-42,909.44

Finding the Fourth Proportional to 76,152.32, 114,266.88 and 42,909.44

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Solution

The fourth proportional to 76,152.32, 114,266.88 and 42,909.44 is: 64,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,152.32 : 114,266.88 = 42,909.44 : x
  2. Step 2: Convert to fraction form
    76,152.32/114,266.88 = 42,909.44/x
  3. Step 3: Cross multiply
    76,152.32x = 114,266.88 × 42,909.44
  4. Step 4: Simplify right side
    76,152.32x = 4,903,127,831.35
  5. Step 5: Solve for x
    x = 4,903,127,831.35/76,152.32
  6. Step 6: Final answer
    x = 64,385.80

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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.