Home / 76,024.94-104,909.90-42,031.40

Finding the Fourth Proportional to 76,024.94, 104,909.90 and 42,031.40

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Solution

The fourth proportional to 76,024.94, 104,909.90 and 42,031.40 is: 58,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,024.94 : 104,909.90 = 42,031.40 : x
  2. Step 2: Convert to fraction form
    76,024.94/104,909.90 = 42,031.40/x
  3. Step 3: Cross multiply
    76,024.94x = 104,909.90 × 42,031.40
  4. Step 4: Simplify right side
    76,024.94x = 4,409,509,970.86
  5. Step 5: Solve for x
    x = 4,409,509,970.86/76,024.94
  6. Step 6: Final answer
    x = 58,000.83

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1.5x scale

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.