Home / 98,516.72-135,953.22-56,075.25

Finding the Fourth Proportional to 98,516.72, 135,953.22 and 56,075.25

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Solution

The fourth proportional to 98,516.72, 135,953.22 and 56,075.25 is: 77,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,516.72 : 135,953.22 = 56,075.25 : x
  2. Step 2: Convert to fraction form
    98,516.72/135,953.22 = 56,075.25/x
  3. Step 3: Cross multiply
    98,516.72x = 135,953.22 × 56,075.25
  4. Step 4: Simplify right side
    98,516.72x = 7,623,610,799.81
  5. Step 5: Solve for x
    x = 7,623,610,799.81/98,516.72
  6. Step 6: Final answer
    x = 77,383.93

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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.