Home / 53,659.95-74,061.54-31,002.63

Finding the Fourth Proportional to 53,659.95, 74,061.54 and 31,002.63

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Solution

The fourth proportional to 53,659.95, 74,061.54 and 31,002.63 is: 42,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,659.95 : 74,061.54 = 31,002.63 : x
  2. Step 2: Convert to fraction form
    53,659.95/74,061.54 = 31,002.63/x
  3. Step 3: Cross multiply
    53,659.95x = 74,061.54 × 31,002.63
  4. Step 4: Simplify right side
    53,659.95x = 2,296,102,521.85
  5. Step 5: Solve for x
    x = 2,296,102,521.85/53,659.95
  6. Step 6: Final answer
    x = 42,789.87

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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.