Home / 74,390.18-102,628.77-47,525.72

Finding the Fourth Proportional to 74,390.18, 102,628.77 and 47,525.72

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Solution

The fourth proportional to 74,390.18, 102,628.77 and 47,525.72 is: 65,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,390.18 : 102,628.77 = 47,525.72 : x
  2. Step 2: Convert to fraction form
    74,390.18/102,628.77 = 47,525.72/x
  3. Step 3: Cross multiply
    74,390.18x = 102,628.77 × 47,525.72
  4. Step 4: Simplify right side
    74,390.18x = 4,877,506,186.96
  5. Step 5: Solve for x
    x = 4,877,506,186.96/74,390.18
  6. Step 6: Final answer
    x = 65,566.53

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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.