Home / 76,415.95-114,587.05-32,030.78

Finding the Fourth Proportional to 76,415.95, 114,587.05 and 32,030.78

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Solution

The fourth proportional to 76,415.95, 114,587.05 and 32,030.78 is: 48,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,415.95 : 114,587.05 = 32,030.78 : x
  2. Step 2: Convert to fraction form
    76,415.95/114,587.05 = 32,030.78/x
  3. Step 3: Cross multiply
    76,415.95x = 114,587.05 × 32,030.78
  4. Step 4: Simplify right side
    76,415.95x = 3,670,312,875.87
  5. Step 5: Solve for x
    x = 3,670,312,875.87/76,415.95
  6. Step 6: Final answer
    x = 48,030.72

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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.