Home / 57,038.72-78,693.93-34,369.16

Finding the Fourth Proportional to 57,038.72, 78,693.93 and 34,369.16

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Solution

The fourth proportional to 57,038.72, 78,693.93 and 34,369.16 is: 47,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,038.72 : 78,693.93 = 34,369.16 : x
  2. Step 2: Convert to fraction form
    57,038.72/78,693.93 = 34,369.16/x
  3. Step 3: Cross multiply
    57,038.72x = 78,693.93 × 34,369.16
  4. Step 4: Simplify right side
    57,038.72x = 2,704,643,877.73
  5. Step 5: Solve for x
    x = 2,704,643,877.73/57,038.72
  6. Step 6: Final answer
    x = 47,417.69

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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.