Home / 61,089.10-84,271.80-38,100.04

Finding the Fourth Proportional to 61,089.10, 84,271.80 and 38,100.04

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Solution

The fourth proportional to 61,089.10, 84,271.80 and 38,100.04 is: 52,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,089.10 : 84,271.80 = 38,100.04 : x
  2. Step 2: Convert to fraction form
    61,089.10/84,271.80 = 38,100.04/x
  3. Step 3: Cross multiply
    61,089.10x = 84,271.80 × 38,100.04
  4. Step 4: Simplify right side
    61,089.10x = 3,210,758,950.87
  5. Step 5: Solve for x
    x = 3,210,758,950.87/61,089.10
  6. Step 6: Final answer
    x = 52,558.62

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1.5x scale

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.