Home / 85,800.84-118,405.08-48,075.36

Finding the Fourth Proportional to 85,800.84, 118,405.08 and 48,075.36

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Solution

The fourth proportional to 85,800.84, 118,405.08 and 48,075.36 is: 66,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,800.84 : 118,405.08 = 48,075.36 : x
  2. Step 2: Convert to fraction form
    85,800.84/118,405.08 = 48,075.36/x
  3. Step 3: Cross multiply
    85,800.84x = 118,405.08 × 48,075.36
  4. Step 4: Simplify right side
    85,800.84x = 5,692,366,846.83
  5. Step 5: Solve for x
    x = 5,692,366,846.83/85,800.84
  6. Step 6: Final answer
    x = 66,343.95

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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.