Home / 94,748.90-130,770.33-56,510.78

Finding the Fourth Proportional to 94,748.90, 130,770.33 and 56,510.78

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Solution

The fourth proportional to 94,748.90, 130,770.33 and 56,510.78 is: 77,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,748.90 : 130,770.33 = 56,510.78 : x
  2. Step 2: Convert to fraction form
    94,748.90/130,770.33 = 56,510.78/x
  3. Step 3: Cross multiply
    94,748.90x = 130,770.33 × 56,510.78
  4. Step 4: Simplify right side
    94,748.90x = 7,389,933,349.16
  5. Step 5: Solve for x
    x = 7,389,933,349.16/94,748.90
  6. Step 6: Final answer
    x = 77,994.92

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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.