Home / 67,722.65-93,458.23-39,041.76

Finding the Fourth Proportional to 67,722.65, 93,458.23 and 39,041.76

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Solution

The fourth proportional to 67,722.65, 93,458.23 and 39,041.76 is: 53,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,722.65 : 93,458.23 = 39,041.76 : x
  2. Step 2: Convert to fraction form
    67,722.65/93,458.23 = 39,041.76/x
  3. Step 3: Cross multiply
    67,722.65x = 93,458.23 × 39,041.76
  4. Step 4: Simplify right side
    67,722.65x = 3,648,774,038.55
  5. Step 5: Solve for x
    x = 3,648,774,038.55/67,722.65
  6. Step 6: Final answer
    x = 53,878.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.