Home / 75,235.17-103,803.52-59,270.07

Finding the Fourth Proportional to 75,235.17, 103,803.52 and 59,270.07

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Solution

The fourth proportional to 75,235.17, 103,803.52 and 59,270.07 is: 81,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,235.17 : 103,803.52 = 59,270.07 : x
  2. Step 2: Convert to fraction form
    75,235.17/103,803.52 = 59,270.07/x
  3. Step 3: Cross multiply
    75,235.17x = 103,803.52 × 59,270.07
  4. Step 4: Simplify right side
    75,235.17x = 6,152,441,896.65
  5. Step 5: Solve for x
    x = 6,152,441,896.65/75,235.17
  6. Step 6: Final answer
    x = 81,776.14

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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.