Home / 53,658.23-80,461.42-31,478.81

Finding the Fourth Proportional to 53,658.23, 80,461.42 and 31,478.81

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Solution

The fourth proportional to 53,658.23, 80,461.42 and 31,478.81 is: 47,203.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,658.23 : 80,461.42 = 31,478.81 : x
  2. Step 2: Convert to fraction form
    53,658.23/80,461.42 = 31,478.81/x
  3. Step 3: Cross multiply
    53,658.23x = 80,461.42 × 31,478.81
  4. Step 4: Simplify right side
    53,658.23x = 2,532,829,271.51
  5. Step 5: Solve for x
    x = 2,532,829,271.51/53,658.23
  6. Step 6: Final answer
    x = 47,203.00

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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.