Home / 98,516.98-135,953.58-56,075.50

Finding the Fourth Proportional to 98,516.98, 135,953.58 and 56,075.50

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Solution

The fourth proportional to 98,516.98, 135,953.58 and 56,075.50 is: 77,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,516.98 : 135,953.58 = 56,075.50 : x
  2. Step 2: Convert to fraction form
    98,516.98/135,953.58 = 56,075.50/x
  3. Step 3: Cross multiply
    98,516.98x = 135,953.58 × 56,075.50
  4. Step 4: Simplify right side
    98,516.98x = 7,623,664,975.29
  5. Step 5: Solve for x
    x = 7,623,664,975.29/98,516.98
  6. Step 6: Final answer
    x = 77,384.27

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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.