Home / 53,038.02-79,558.11-42,458.94

Finding the Fourth Proportional to 53,038.02, 79,558.11 and 42,458.94

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Solution

The fourth proportional to 53,038.02, 79,558.11 and 42,458.94 is: 63,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,038.02 : 79,558.11 = 42,458.94 : x
  2. Step 2: Convert to fraction form
    53,038.02/79,558.11 = 42,458.94/x
  3. Step 3: Cross multiply
    53,038.02x = 79,558.11 × 42,458.94
  4. Step 4: Simplify right side
    53,038.02x = 3,377,953,019.00
  5. Step 5: Solve for x
    x = 3,377,953,019.00/53,038.02
  6. Step 6: Final answer
    x = 63,689.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.