Home / 61,800.27-92,700.39-28,510.47

Finding the Fourth Proportional to 61,800.27, 92,700.39 and 28,510.47

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Solution

The fourth proportional to 61,800.27, 92,700.39 and 28,510.47 is: 42,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,800.27 : 92,700.39 = 28,510.47 : x
  2. Step 2: Convert to fraction form
    61,800.27/92,700.39 = 28,510.47/x
  3. Step 3: Cross multiply
    61,800.27x = 92,700.39 × 28,510.47
  4. Step 4: Simplify right side
    61,800.27x = 2,642,931,688.08
  5. Step 5: Solve for x
    x = 2,642,931,688.08/61,800.27
  6. Step 6: Final answer
    x = 42,765.70

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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.