Home / 60,276.96-90,437.13-20,838.06

Finding the Fourth Proportional to 60,276.96, 90,437.13 and 20,838.06

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Solution

The fourth proportional to 60,276.96, 90,437.13 and 20,838.06 is: 31,264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,276.96 : 90,437.13 = 20,838.06 : x
  2. Step 2: Convert to fraction form
    60,276.96/90,437.13 = 20,838.06/x
  3. Step 3: Cross multiply
    60,276.96x = 90,437.13 × 20,838.06
  4. Step 4: Simplify right side
    60,276.96x = 1,884,534,341.17
  5. Step 5: Solve for x
    x = 1,884,534,341.17/60,276.96
  6. Step 6: Final answer
    x = 31,264.59

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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.