Home / 74,633.59-102,885.55-56,697.46

Finding the Fourth Proportional to 74,633.59, 102,885.55 and 56,697.46

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Solution

The fourth proportional to 74,633.59, 102,885.55 and 56,697.46 is: 78,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,633.59 : 102,885.55 = 56,697.46 : x
  2. Step 2: Convert to fraction form
    74,633.59/102,885.55 = 56,697.46/x
  3. Step 3: Cross multiply
    74,633.59x = 102,885.55 × 56,697.46
  4. Step 4: Simplify right side
    74,633.59x = 5,833,349,355.70
  5. Step 5: Solve for x
    x = 5,833,349,355.70/74,633.59
  6. Step 6: Final answer
    x = 78,159.84

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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.