Home / 60,636.17-90,948.45-28,607.78

Finding the Fourth Proportional to 60,636.17, 90,948.45 and 28,607.78

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Solution

The fourth proportional to 60,636.17, 90,948.45 and 28,607.78 is: 42,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,636.17 : 90,948.45 = 28,607.78 : x
  2. Step 2: Convert to fraction form
    60,636.17/90,948.45 = 28,607.78/x
  3. Step 3: Cross multiply
    60,636.17x = 90,948.45 × 28,607.78
  4. Step 4: Simplify right side
    60,636.17x = 2,601,833,342.21
  5. Step 5: Solve for x
    x = 2,601,833,342.21/60,636.17
  6. Step 6: Final answer
    x = 42,908.93

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1.5x scale

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.