Home / 61,190.68-84,439.74-34,330.72

Finding the Fourth Proportional to 61,190.68, 84,439.74 and 34,330.72

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Solution

The fourth proportional to 61,190.68, 84,439.74 and 34,330.72 is: 47,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,190.68 : 84,439.74 = 34,330.72 : x
  2. Step 2: Convert to fraction form
    61,190.68/84,439.74 = 34,330.72/x
  3. Step 3: Cross multiply
    61,190.68x = 84,439.74 × 34,330.72
  4. Step 4: Simplify right side
    61,190.68x = 2,898,877,070.81
  5. Step 5: Solve for x
    x = 2,898,877,070.81/61,190.68
  6. Step 6: Final answer
    x = 47,374.49

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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.