Home / 99,567.48-149,335.02-40,400.76

Finding the Fourth Proportional to 99,567.48, 149,335.02 and 40,400.76

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Solution

The fourth proportional to 99,567.48, 149,335.02 and 40,400.76 is: 60,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,567.48 : 149,335.02 = 40,400.76 : x
  2. Step 2: Convert to fraction form
    99,567.48/149,335.02 = 40,400.76/x
  3. Step 3: Cross multiply
    99,567.48x = 149,335.02 × 40,400.76
  4. Step 4: Simplify right side
    99,567.48x = 6,033,248,302.62
  5. Step 5: Solve for x
    x = 6,033,248,302.62/99,567.48
  6. Step 6: Final answer
    x = 60,594.57

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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.