Home / 65,075.12-89,803.80-35,267.12

Finding the Fourth Proportional to 65,075.12, 89,803.80 and 35,267.12

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Solution

The fourth proportional to 65,075.12, 89,803.80 and 35,267.12 is: 48,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,075.12 : 89,803.80 = 35,267.12 : x
  2. Step 2: Convert to fraction form
    65,075.12/89,803.80 = 35,267.12/x
  3. Step 3: Cross multiply
    65,075.12x = 89,803.80 × 35,267.12
  4. Step 4: Simplify right side
    65,075.12x = 3,167,121,391.06
  5. Step 5: Solve for x
    x = 3,167,121,391.06/65,075.12
  6. Step 6: Final answer
    x = 48,668.70

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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.