Home / 61,622.16-85,038.48-34,764.60

Finding the Fourth Proportional to 61,622.16, 85,038.48 and 34,764.60

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Solution

The fourth proportional to 61,622.16, 85,038.48 and 34,764.60 is: 47,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,622.16 : 85,038.48 = 34,764.60 : x
  2. Step 2: Convert to fraction form
    61,622.16/85,038.48 = 34,764.60/x
  3. Step 3: Cross multiply
    61,622.16x = 85,038.48 × 34,764.60
  4. Step 4: Simplify right side
    61,622.16x = 2,956,328,741.81
  5. Step 5: Solve for x
    x = 2,956,328,741.81/61,622.16
  6. Step 6: Final answer
    x = 47,975.09

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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.