Home / 58,728.74-81,112.95-38,675.26

Finding the Fourth Proportional to 58,728.74, 81,112.95 and 38,675.26

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Solution

The fourth proportional to 58,728.74, 81,112.95 and 38,675.26 is: 53,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,728.74 : 81,112.95 = 38,675.26 : x
  2. Step 2: Convert to fraction form
    58,728.74/81,112.95 = 38,675.26/x
  3. Step 3: Cross multiply
    58,728.74x = 81,112.95 × 38,675.26
  4. Step 4: Simplify right side
    58,728.74x = 3,137,064,227.83
  5. Step 5: Solve for x
    x = 3,137,064,227.83/58,728.74
  6. Step 6: Final answer
    x = 53,416.17

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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.