Home / 62,070.18-92,940-42,387.18

Finding the Fourth Proportional to 62,070.18, 92,940 and 42,387.18

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Solution

The fourth proportional to 62,070.18, 92,940 and 42,387.18 is: 63,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,070.18 : 92,940 = 42,387.18 : x
  2. Step 2: Convert to fraction form
    62,070.18/92,940 = 42,387.18/x
  3. Step 3: Cross multiply
    62,070.18x = 92,940 × 42,387.18
  4. Step 4: Simplify right side
    62,070.18x = 3,939,464,509.20
  5. Step 5: Solve for x
    x = 3,939,464,509.20/62,070.18
  6. Step 6: Final answer
    x = 63,467.91

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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.