Home / 98,756.39-136,283.23-56,314.01

Finding the Fourth Proportional to 98,756.39, 136,283.23 and 56,314.01

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Solution

The fourth proportional to 98,756.39, 136,283.23 and 56,314.01 is: 77,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,756.39 : 136,283.23 = 56,314.01 : x
  2. Step 2: Convert to fraction form
    98,756.39/136,283.23 = 56,314.01/x
  3. Step 3: Cross multiply
    98,756.39x = 136,283.23 × 56,314.01
  4. Step 4: Simplify right side
    98,756.39x = 7,674,655,177.05
  5. Step 5: Solve for x
    x = 7,674,655,177.05/98,756.39
  6. Step 6: Final answer
    x = 77,713.00

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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.