Home / 56,510.08-77,990.15-36,110.99

Finding the Fourth Proportional to 56,510.08, 77,990.15 and 36,110.99

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Solution

The fourth proportional to 56,510.08, 77,990.15 and 36,110.99 is: 49,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,510.08 : 77,990.15 = 36,110.99 : x
  2. Step 2: Convert to fraction form
    56,510.08/77,990.15 = 36,110.99/x
  3. Step 3: Cross multiply
    56,510.08x = 77,990.15 × 36,110.99
  4. Step 4: Simplify right side
    56,510.08x = 2,816,301,812.00
  5. Step 5: Solve for x
    x = 2,816,301,812.00/56,510.08
  6. Step 6: Final answer
    x = 49,837.16

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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.