Home / 53,695.06-74,108.82-31,030.92

Finding the Fourth Proportional to 53,695.06, 74,108.82 and 31,030.92

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Solution

The fourth proportional to 53,695.06, 74,108.82 and 31,030.92 is: 42,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,695.06 : 74,108.82 = 31,030.92 : x
  2. Step 2: Convert to fraction form
    53,695.06/74,108.82 = 31,030.92/x
  3. Step 3: Cross multiply
    53,695.06x = 74,108.82 × 31,030.92
  4. Step 4: Simplify right side
    53,695.06x = 2,299,664,864.71
  5. Step 5: Solve for x
    x = 2,299,664,864.71/53,695.06
  6. Step 6: Final answer
    x = 42,828.24

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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.