Home / 89,909.36-124,075.42-49,623.24

Finding the Fourth Proportional to 89,909.36, 124,075.42 and 49,623.24

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Solution

The fourth proportional to 89,909.36, 124,075.42 and 49,623.24 is: 68,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,909.36 : 124,075.42 = 49,623.24 : x
  2. Step 2: Convert to fraction form
    89,909.36/124,075.42 = 49,623.24/x
  3. Step 3: Cross multiply
    89,909.36x = 124,075.42 × 49,623.24
  4. Step 4: Simplify right side
    89,909.36x = 6,157,024,344.76
  5. Step 5: Solve for x
    x = 6,157,024,344.76/89,909.36
  6. Step 6: Final answer
    x = 68,480.35

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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.