Home / 62,140.60-93,065.10-42,311.80

Finding the Fourth Proportional to 62,140.60, 93,065.10 and 42,311.80

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Solution

The fourth proportional to 62,140.60, 93,065.10 and 42,311.80 is: 63,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,140.60 : 93,065.10 = 42,311.80 : x
  2. Step 2: Convert to fraction form
    62,140.60/93,065.10 = 42,311.80/x
  3. Step 3: Cross multiply
    62,140.60x = 93,065.10 × 42,311.80
  4. Step 4: Simplify right side
    62,140.60x = 3,937,751,898.18
  5. Step 5: Solve for x
    x = 3,937,751,898.18/62,140.60
  6. Step 6: Final answer
    x = 63,368.42

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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.